72499440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1271

約数の個数: 160

約数和(自身を含む): 254983680

約数和(自身を除く): 182484240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1223, 1235, 1482, 1520, 1560, 1976, 2280, 2446, 2470, 2964, 3120, 3669, 3705, 3952, 4560, 4892, 4940, 5928, 6115, 7338, 7410, 9784, 9880, 11856, 12230, 14676, 14820, 15899, 18345, 19568, 19760, 23237, 24460, 29352, 29640, 31798, 36690, 46474, 47697, 48920, 58704, 59280, 63596, 69711, 73380, 79495, 92948, 95394, 97840, 116185, 127192, 139422, 146760, 158990, 185896, 190788, 232370, 238485, 254384, 278844, 293520, 302081, 317980, 348555, 371792, 381576, 464740, 476970, 557688, 604162, 635960, 697110, 763152, 906243, 929480, 953940, 1115376, 1208324, 1271920, 1394220, 1510405, 1812486, 1858960, 1907880, 2416648, 2788440, 3020810, 3624972, 3815760, 4531215, 4833296, 5576880, 6041620, 7249944, 9062430, 12083240, 14499888, 18124860, 24166480, 36249720, 72499440]

約数ペア:

[(1, 72499440), (2, 36249720), (3, 24166480), (4, 18124860), (5, 14499888), (6, 12083240), (8, 9062430), (10, 7249944), (12, 6041620), (13, 5576880), (15, 4833296), (16, 4531215), (19, 3815760), (20, 3624972), (24, 3020810), (26, 2788440), (30, 2416648), (38, 1907880), (39, 1858960), (40, 1812486), (48, 1510405), (52, 1394220), (57, 1271920), (60, 1208324), (65, 1115376), (76, 953940), (78, 929480), (80, 906243), (95, 763152), (104, 697110), (114, 635960), (120, 604162), (130, 557688), (152, 476970), (156, 464740), (190, 381576), (195, 371792), (208, 348555), (228, 317980), (240, 302081), (247, 293520), (260, 278844), (285, 254384), (304, 238485), (312, 232370), (380, 190788), (390, 185896), (456, 158990), (494, 146760), (520, 139422), (570, 127192), (624, 116185), (741, 97840), (760, 95394), (780, 92948), (912, 79495), (988, 73380), (1040, 69711), (1140, 63596), (1223, 59280), (1235, 58704), (1482, 48920), (1520, 47697), (1560, 46474), (1976, 36690), (2280, 31798), (2446, 29640), (2470, 29352), (2964, 24460), (3120, 23237), (3669, 19760), (3705, 19568), (3952, 18345), (4560, 15899), (4892, 14820), (4940, 14676), (5928, 12230), (6115, 11856), (7338, 9880), (7410, 9784)]