72870840

素因数分解:

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

素因数の和:63

約数の個数: 384

約数和(自身を含む): 302875200

約数和(自身を除く): 230004360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 28, 30, 34, 35, 36, 40, 42, 45, 49, 51, 54, 56, 60, 63, 68, 70, 72, 81, 84, 85, 90, 98, 102, 105, 108, 119, 120, 126, 135, 136, 140, 147, 153, 162, 168, 170, 180, 189, 196, 204, 210, 216, 238, 243, 245, 252, 255, 270, 280, 294, 306, 315, 324, 340, 357, 360, 378, 392, 405, 408, 420, 441, 459, 476, 486, 490, 504, 510, 540, 567, 588, 595, 612, 630, 648, 680, 714, 729, 735, 756, 765, 810, 833, 840, 882, 918, 945, 952, 972, 980, 1020, 1071, 1080, 1134, 1176, 1190, 1215, 1224, 1260, 1323, 1377, 1428, 1458, 1470, 1512, 1530, 1620, 1666, 1701, 1764, 1785, 1836, 1890, 1944, 1960, 2040, 2142, 2187, 2205, 2268, 2295, 2380, 2430, 2499, 2520, 2646, 2754, 2835, 2856, 2916, 2940, 3060, 3213, 3240, 3332, 3402, 3528, 3570, 3645, 3672, 3780, 3969, 4131, 4165, 4284, 4374, 4410, 4536, 4590, 4760, 4860, 4998, 5103, 5292, 5355, 5508, 5670, 5832, 5880, 6120, 6426, 6615, 6664, 6804, 6885, 7140, 7290, 7497, 7560, 7938, 8262, 8330, 8505, 8568, 8748, 8820, 9180, 9639, 9720, 9996, 10206, 10584, 10710, 10935, 11016, 11340, 11907, 12393, 12495, 12852, 13230, 13608, 13770, 14280, 14580, 14994, 15309, 15876, 16065, 16524, 16660, 17010, 17496, 17640, 18360, 19278, 19845, 19992, 20412, 20655, 21420, 21870, 22491, 22680, 23814, 24786, 24990, 25515, 25704, 26460, 27540, 28917, 29160, 29988, 30618, 31752, 32130, 33048, 33320, 34020, 35721, 37179, 37485, 38556, 39690, 40824, 41310, 42840, 43740, 44982, 47628, 48195, 49572, 49980, 51030, 52920, 55080, 57834, 59535, 59976, 61236, 61965, 64260, 67473, 68040, 71442, 74358, 74970, 76545, 77112, 79380, 82620, 86751, 87480, 89964, 95256, 96390, 99144, 99960, 102060, 107163, 112455, 115668, 119070, 122472, 123930, 128520, 134946, 142884, 144585, 148716, 149940, 153090, 158760, 165240, 173502, 178605, 179928, 185895, 192780, 202419, 204120, 214326, 224910, 231336, 238140, 247860, 260253, 269892, 285768, 289170, 297432, 299880, 306180, 337365, 347004, 357210, 371790, 385560, 404838, 428652, 433755, 449820, 476280, 495720, 520506, 535815, 539784, 578340, 607257, 612360, 674730, 694008, 714420, 743580, 809676, 857304, 867510, 899640, 1012095, 1041012, 1071630, 1156680, 1214514, 1301265, 1349460, 1428840, 1487160, 1619352, 1735020, 1821771, 2024190, 2082024, 2143260, 2429028, 2602530, 2698920, 3036285, 3470040, 3643542, 4048380, 4286520, 4858056, 5205060, 6072570, 7287084, 8096760, 9108855, 10410120, 12145140, 14574168, 18217710, 24290280, 36435420, 72870840]

約数ペア:

[(1, 72870840), (2, 36435420), (3, 24290280), (4, 18217710), (5, 14574168), (6, 12145140), (7, 10410120), (8, 9108855), (9, 8096760), (10, 7287084), (12, 6072570), (14, 5205060), (15, 4858056), (17, 4286520), (18, 4048380), (20, 3643542), (21, 3470040), (24, 3036285), (27, 2698920), (28, 2602530), (30, 2429028), (34, 2143260), (35, 2082024), (36, 2024190), (40, 1821771), (42, 1735020), (45, 1619352), (49, 1487160), (51, 1428840), (54, 1349460), (56, 1301265), (60, 1214514), (63, 1156680), (68, 1071630), (70, 1041012), (72, 1012095), (81, 899640), (84, 867510), (85, 857304), (90, 809676), (98, 743580), (102, 714420), (105, 694008), (108, 674730), (119, 612360), (120, 607257), (126, 578340), (135, 539784), (136, 535815), (140, 520506), (147, 495720), (153, 476280), (162, 449820), (168, 433755), (170, 428652), (180, 404838), (189, 385560), (196, 371790), (204, 357210), (210, 347004), (216, 337365), (238, 306180), (243, 299880), (245, 297432), (252, 289170), (255, 285768), (270, 269892), (280, 260253), (294, 247860), (306, 238140), (315, 231336), (324, 224910), (340, 214326), (357, 204120), (360, 202419), (378, 192780), (392, 185895), (405, 179928), (408, 178605), (420, 173502), (441, 165240), (459, 158760), (476, 153090), (486, 149940), (490, 148716), (504, 144585), (510, 142884), (540, 134946), (567, 128520), (588, 123930), (595, 122472), (612, 119070), (630, 115668), (648, 112455), (680, 107163), (714, 102060), (729, 99960), (735, 99144), (756, 96390), (765, 95256), (810, 89964), (833, 87480), (840, 86751), (882, 82620), (918, 79380), (945, 77112), (952, 76545), (972, 74970), (980, 74358), (1020, 71442), (1071, 68040), (1080, 67473), (1134, 64260), (1176, 61965), (1190, 61236), (1215, 59976), (1224, 59535), (1260, 57834), (1323, 55080), (1377, 52920), (1428, 51030), (1458, 49980), (1470, 49572), (1512, 48195), (1530, 47628), (1620, 44982), (1666, 43740), (1701, 42840), (1764, 41310), (1785, 40824), (1836, 39690), (1890, 38556), (1944, 37485), (1960, 37179), (2040, 35721), (2142, 34020), (2187, 33320), (2205, 33048), (2268, 32130), (2295, 31752), (2380, 30618), (2430, 29988), (2499, 29160), (2520, 28917), (2646, 27540), (2754, 26460), (2835, 25704), (2856, 25515), (2916, 24990), (2940, 24786), (3060, 23814), (3213, 22680), (3240, 22491), (3332, 21870), (3402, 21420), (3528, 20655), (3570, 20412), (3645, 19992), (3672, 19845), (3780, 19278), (3969, 18360), (4131, 17640), (4165, 17496), (4284, 17010), (4374, 16660), (4410, 16524), (4536, 16065), (4590, 15876), (4760, 15309), (4860, 14994), (4998, 14580), (5103, 14280), (5292, 13770), (5355, 13608), (5508, 13230), (5670, 12852), (5832, 12495), (5880, 12393), (6120, 11907), (6426, 11340), (6615, 11016), (6664, 10935), (6804, 10710), (6885, 10584), (7140, 10206), (7290, 9996), (7497, 9720), (7560, 9639), (7938, 9180), (8262, 8820), (8330, 8748), (8505, 8568)]