51279480

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 480

約数和(自身を含む): 223462800

約数和(自身を除く): 172183320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 24, 27, 28, 30, 34, 35, 36, 38, 40, 42, 45, 49, 51, 54, 56, 57, 60, 63, 68, 70, 72, 76, 81, 84, 85, 90, 95, 98, 102, 105, 108, 114, 119, 120, 126, 133, 135, 136, 140, 147, 152, 153, 162, 168, 170, 171, 180, 189, 190, 196, 204, 210, 216, 228, 238, 245, 252, 255, 266, 270, 280, 285, 294, 306, 315, 323, 324, 340, 342, 357, 360, 378, 380, 392, 399, 405, 408, 420, 441, 456, 459, 476, 490, 504, 510, 513, 532, 540, 567, 570, 588, 595, 612, 630, 646, 648, 665, 680, 684, 714, 735, 756, 760, 765, 798, 810, 833, 840, 855, 882, 918, 931, 945, 952, 969, 980, 1020, 1026, 1064, 1071, 1080, 1134, 1140, 1176, 1190, 1197, 1224, 1260, 1292, 1323, 1330, 1368, 1377, 1428, 1470, 1512, 1530, 1539, 1596, 1615, 1620, 1666, 1710, 1764, 1785, 1836, 1862, 1890, 1938, 1960, 1995, 2040, 2052, 2142, 2205, 2261, 2268, 2280, 2295, 2380, 2394, 2499, 2520, 2565, 2584, 2646, 2660, 2754, 2793, 2835, 2856, 2907, 2940, 3060, 3078, 3192, 3213, 3230, 3240, 3332, 3420, 3528, 3570, 3591, 3672, 3724, 3780, 3876, 3969, 3990, 4104, 4165, 4284, 4410, 4522, 4536, 4590, 4655, 4760, 4788, 4845, 4998, 5130, 5292, 5320, 5355, 5508, 5586, 5670, 5814, 5880, 5985, 6120, 6156, 6426, 6460, 6615, 6664, 6783, 6840, 6885, 7140, 7182, 7448, 7497, 7560, 7695, 7752, 7938, 7980, 8330, 8379, 8568, 8721, 8820, 9044, 9180, 9310, 9576, 9639, 9690, 9996, 10260, 10584, 10710, 10773, 11016, 11172, 11305, 11340, 11628, 11970, 12312, 12495, 12852, 12920, 13230, 13566, 13770, 13965, 14280, 14364, 14535, 14994, 15390, 15827, 15876, 15960, 16065, 16660, 16758, 17442, 17640, 17955, 18088, 18360, 18620, 19278, 19380, 19845, 19992, 20349, 20520, 21420, 21546, 22344, 22491, 22610, 22680, 23256, 23940, 24990, 25137, 25704, 26163, 26460, 27132, 27540, 27930, 28728, 29070, 29988, 30780, 31654, 31752, 32130, 33320, 33516, 33915, 34884, 35910, 37240, 37485, 38556, 38760, 39690, 40698, 41895, 42840, 43092, 43605, 44982, 45220, 47481, 47880, 48195, 49980, 50274, 52326, 52920, 53865, 54264, 55080, 55860, 58140, 59976, 61047, 61560, 63308, 64260, 67032, 67473, 67830, 69768, 71820, 74970, 75411, 77112, 79135, 79380, 81396, 83790, 86184, 87210, 89964, 90440, 94962, 96390, 99960, 100548, 101745, 104652, 107730, 111720, 112455, 116280, 122094, 125685, 126616, 128520, 130815, 134946, 135660, 142443, 143640, 149940, 150822, 158270, 158760, 162792, 167580, 174420, 179928, 183141, 189924, 192780, 201096, 203490, 209304, 215460, 224910, 237405, 244188, 251370, 261630, 269892, 271320, 284886, 299880, 301644, 305235, 316540, 335160, 337365, 348840, 366282, 377055, 379848, 385560, 406980, 427329, 430920, 449820, 474810, 488376, 502740, 523260, 539784, 569772, 603288, 610470, 633080, 674730, 712215, 732564, 754110, 813960, 854658, 899640, 915705, 949620, 1005480, 1046520, 1139544, 1220940, 1281987, 1349460, 1424430, 1465128, 1508220, 1709316, 1831410, 1899240, 2136645, 2441880, 2563974, 2698920, 2848860, 3016440, 3418632, 3662820, 4273290, 5127948, 5697720, 6409935, 7325640, 8546580, 10255896, 12819870, 17093160, 25639740, 51279480]

約数ペア:

[(1, 51279480), (2, 25639740), (3, 17093160), (4, 12819870), (5, 10255896), (6, 8546580), (7, 7325640), (8, 6409935), (9, 5697720), (10, 5127948), (12, 4273290), (14, 3662820), (15, 3418632), (17, 3016440), (18, 2848860), (19, 2698920), (20, 2563974), (21, 2441880), (24, 2136645), (27, 1899240), (28, 1831410), (30, 1709316), (34, 1508220), (35, 1465128), (36, 1424430), (38, 1349460), (40, 1281987), (42, 1220940), (45, 1139544), (49, 1046520), (51, 1005480), (54, 949620), (56, 915705), (57, 899640), (60, 854658), (63, 813960), (68, 754110), (70, 732564), (72, 712215), (76, 674730), (81, 633080), (84, 610470), (85, 603288), (90, 569772), (95, 539784), (98, 523260), (102, 502740), (105, 488376), (108, 474810), (114, 449820), (119, 430920), (120, 427329), (126, 406980), (133, 385560), (135, 379848), (136, 377055), (140, 366282), (147, 348840), (152, 337365), (153, 335160), (162, 316540), (168, 305235), (170, 301644), (171, 299880), (180, 284886), (189, 271320), (190, 269892), (196, 261630), (204, 251370), (210, 244188), (216, 237405), (228, 224910), (238, 215460), (245, 209304), (252, 203490), (255, 201096), (266, 192780), (270, 189924), (280, 183141), (285, 179928), (294, 174420), (306, 167580), (315, 162792), (323, 158760), (324, 158270), (340, 150822), (342, 149940), (357, 143640), (360, 142443), (378, 135660), (380, 134946), (392, 130815), (399, 128520), (405, 126616), (408, 125685), (420, 122094), (441, 116280), (456, 112455), (459, 111720), (476, 107730), (490, 104652), (504, 101745), (510, 100548), (513, 99960), (532, 96390), (540, 94962), (567, 90440), (570, 89964), (588, 87210), (595, 86184), (612, 83790), (630, 81396), (646, 79380), (648, 79135), (665, 77112), (680, 75411), (684, 74970), (714, 71820), (735, 69768), (756, 67830), (760, 67473), (765, 67032), (798, 64260), (810, 63308), (833, 61560), (840, 61047), (855, 59976), (882, 58140), (918, 55860), (931, 55080), (945, 54264), (952, 53865), (969, 52920), (980, 52326), (1020, 50274), (1026, 49980), (1064, 48195), (1071, 47880), (1080, 47481), (1134, 45220), (1140, 44982), (1176, 43605), (1190, 43092), (1197, 42840), (1224, 41895), (1260, 40698), (1292, 39690), (1323, 38760), (1330, 38556), (1368, 37485), (1377, 37240), (1428, 35910), (1470, 34884), (1512, 33915), (1530, 33516), (1539, 33320), (1596, 32130), (1615, 31752), (1620, 31654), (1666, 30780), (1710, 29988), (1764, 29070), (1785, 28728), (1836, 27930), (1862, 27540), (1890, 27132), (1938, 26460), (1960, 26163), (1995, 25704), (2040, 25137), (2052, 24990), (2142, 23940), (2205, 23256), (2261, 22680), (2268, 22610), (2280, 22491), (2295, 22344), (2380, 21546), (2394, 21420), (2499, 20520), (2520, 20349), (2565, 19992), (2584, 19845), (2646, 19380), (2660, 19278), (2754, 18620), (2793, 18360), (2835, 18088), (2856, 17955), (2907, 17640), (2940, 17442), (3060, 16758), (3078, 16660), (3192, 16065), (3213, 15960), (3230, 15876), (3240, 15827), (3332, 15390), (3420, 14994), (3528, 14535), (3570, 14364), (3591, 14280), (3672, 13965), (3724, 13770), (3780, 13566), (3876, 13230), (3969, 12920), (3990, 12852), (4104, 12495), (4165, 12312), (4284, 11970), (4410, 11628), (4522, 11340), (4536, 11305), (4590, 11172), (4655, 11016), (4760, 10773), (4788, 10710), (4845, 10584), (4998, 10260), (5130, 9996), (5292, 9690), (5320, 9639), (5355, 9576), (5508, 9310), (5586, 9180), (5670, 9044), (5814, 8820), (5880, 8721), (5985, 8568), (6120, 8379), (6156, 8330), (6426, 7980), (6460, 7938), (6615, 7752), (6664, 7695), (6783, 7560), (6840, 7497), (6885, 7448), (7140, 7182)]