221492880

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 400

約数和(自身を含む): 929047680

約数和(自身を除く): 707554800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 81, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 162, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 257, 266, 270, 280, 285, 304, 315, 324, 336, 342, 360, 378, 380, 399, 405, 420, 432, 456, 504, 513, 514, 532, 540, 560, 567, 570, 630, 648, 665, 684, 720, 756, 760, 771, 798, 810, 840, 855, 912, 945, 1008, 1026, 1028, 1064, 1080, 1134, 1140, 1197, 1260, 1285, 1296, 1330, 1368, 1512, 1520, 1539, 1542, 1596, 1620, 1680, 1710, 1799, 1890, 1995, 2052, 2056, 2128, 2160, 2268, 2280, 2313, 2394, 2520, 2565, 2570, 2660, 2736, 2835, 3024, 3078, 3084, 3192, 3240, 3420, 3591, 3598, 3780, 3855, 3990, 4104, 4112, 4536, 4560, 4626, 4788, 4883, 5040, 5130, 5140, 5320, 5397, 5670, 5985, 6156, 6168, 6384, 6480, 6840, 6939, 7182, 7196, 7560, 7695, 7710, 7980, 8208, 8995, 9072, 9252, 9576, 9766, 10260, 10280, 10640, 10773, 10794, 11340, 11565, 11970, 12312, 12336, 13680, 13878, 14364, 14392, 14649, 15120, 15390, 15420, 15960, 16191, 17955, 17990, 18504, 19152, 19532, 20520, 20560, 20817, 21546, 21588, 22680, 23130, 23940, 24415, 24624, 26985, 27756, 28728, 28784, 29298, 30780, 30840, 31920, 32382, 34181, 34695, 35910, 35980, 37008, 39064, 41040, 41634, 43092, 43176, 43947, 45360, 46260, 47880, 48573, 48830, 53865, 53970, 55512, 57456, 58596, 61560, 61680, 64764, 68362, 69390, 71820, 71960, 73245, 78128, 80955, 83268, 86184, 86352, 87894, 92520, 95760, 97146, 97660, 102543, 104085, 107730, 107940, 111024, 117192, 123120, 129528, 131841, 136724, 138780, 143640, 143920, 145719, 146490, 161910, 166536, 170905, 172368, 175788, 185040, 194292, 195320, 205086, 208170, 215460, 215880, 219735, 234384, 242865, 259056, 263682, 273448, 277560, 287280, 291438, 292980, 307629, 323820, 333072, 341810, 351576, 388584, 390640, 395523, 410172, 416340, 430920, 431760, 439470, 485730, 512715, 527364, 546896, 555120, 582876, 585960, 615258, 647640, 659205, 683620, 703152, 728595, 777168, 791046, 820344, 832680, 861840, 878940, 922887, 971460, 1025430, 1054728, 1165752, 1171920, 1230516, 1295280, 1318410, 1367240, 1457190, 1538145, 1582092, 1640688, 1665360, 1757880, 1845774, 1942920, 1977615, 2050860, 2109456, 2331504, 2461032, 2636820, 2734480, 2768661, 2914380, 3076290, 3164184, 3515760, 3691548, 3885840, 3955230, 4101720, 4614435, 4922064, 5273640, 5537322, 5828760, 6152580, 6328368, 7383096, 7910460, 8203440, 9228870, 10547280, 11074644, 11657520, 12305160, 13843305, 14766192, 15820920, 18457740, 22149288, 24610320, 27686610, 31641840, 36915480, 44298576, 55373220, 73830960, 110746440, 221492880]

約数ペア:

[(1, 221492880), (2, 110746440), (3, 73830960), (4, 55373220), (5, 44298576), (6, 36915480), (7, 31641840), (8, 27686610), (9, 24610320), (10, 22149288), (12, 18457740), (14, 15820920), (15, 14766192), (16, 13843305), (18, 12305160), (19, 11657520), (20, 11074644), (21, 10547280), (24, 9228870), (27, 8203440), (28, 7910460), (30, 7383096), (35, 6328368), (36, 6152580), (38, 5828760), (40, 5537322), (42, 5273640), (45, 4922064), (48, 4614435), (54, 4101720), (56, 3955230), (57, 3885840), (60, 3691548), (63, 3515760), (70, 3164184), (72, 3076290), (76, 2914380), (80, 2768661), (81, 2734480), (84, 2636820), (90, 2461032), (95, 2331504), (105, 2109456), (108, 2050860), (112, 1977615), (114, 1942920), (120, 1845774), (126, 1757880), (133, 1665360), (135, 1640688), (140, 1582092), (144, 1538145), (152, 1457190), (162, 1367240), (168, 1318410), (171, 1295280), (180, 1230516), (189, 1171920), (190, 1165752), (210, 1054728), (216, 1025430), (228, 971460), (240, 922887), (252, 878940), (257, 861840), (266, 832680), (270, 820344), (280, 791046), (285, 777168), (304, 728595), (315, 703152), (324, 683620), (336, 659205), (342, 647640), (360, 615258), (378, 585960), (380, 582876), (399, 555120), (405, 546896), (420, 527364), (432, 512715), (456, 485730), (504, 439470), (513, 431760), (514, 430920), (532, 416340), (540, 410172), (560, 395523), (567, 390640), (570, 388584), (630, 351576), (648, 341810), (665, 333072), (684, 323820), (720, 307629), (756, 292980), (760, 291438), (771, 287280), (798, 277560), (810, 273448), (840, 263682), (855, 259056), (912, 242865), (945, 234384), (1008, 219735), (1026, 215880), (1028, 215460), (1064, 208170), (1080, 205086), (1134, 195320), (1140, 194292), (1197, 185040), (1260, 175788), (1285, 172368), (1296, 170905), (1330, 166536), (1368, 161910), (1512, 146490), (1520, 145719), (1539, 143920), (1542, 143640), (1596, 138780), (1620, 136724), (1680, 131841), (1710, 129528), (1799, 123120), (1890, 117192), (1995, 111024), (2052, 107940), (2056, 107730), (2128, 104085), (2160, 102543), (2268, 97660), (2280, 97146), (2313, 95760), (2394, 92520), (2520, 87894), (2565, 86352), (2570, 86184), (2660, 83268), (2736, 80955), (2835, 78128), (3024, 73245), (3078, 71960), (3084, 71820), (3192, 69390), (3240, 68362), (3420, 64764), (3591, 61680), (3598, 61560), (3780, 58596), (3855, 57456), (3990, 55512), (4104, 53970), (4112, 53865), (4536, 48830), (4560, 48573), (4626, 47880), (4788, 46260), (4883, 45360), (5040, 43947), (5130, 43176), (5140, 43092), (5320, 41634), (5397, 41040), (5670, 39064), (5985, 37008), (6156, 35980), (6168, 35910), (6384, 34695), (6480, 34181), (6840, 32382), (6939, 31920), (7182, 30840), (7196, 30780), (7560, 29298), (7695, 28784), (7710, 28728), (7980, 27756), (8208, 26985), (8995, 24624), (9072, 24415), (9252, 23940), (9576, 23130), (9766, 22680), (10260, 21588), (10280, 21546), (10640, 20817), (10773, 20560), (10794, 20520), (11340, 19532), (11565, 19152), (11970, 18504), (12312, 17990), (12336, 17955), (13680, 16191), (13878, 15960), (14364, 15420), (14392, 15390), (14649, 15120)]