38939880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 134830080

約数和(自身を除く): 95890200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 151, 168, 210, 280, 302, 307, 420, 453, 604, 614, 755, 840, 906, 921, 1057, 1208, 1228, 1510, 1535, 1812, 1842, 2114, 2149, 2265, 2456, 3020, 3070, 3171, 3624, 3684, 4228, 4298, 4530, 4605, 5285, 6040, 6140, 6342, 6447, 7368, 8456, 8596, 9060, 9210, 10570, 10745, 12280, 12684, 12894, 15855, 17192, 18120, 18420, 21140, 21490, 25368, 25788, 31710, 32235, 36840, 42280, 42980, 46357, 51576, 63420, 64470, 85960, 92714, 126840, 128940, 139071, 185428, 231785, 257880, 278142, 324499, 370856, 463570, 556284, 648998, 695355, 927140, 973497, 1112568, 1297996, 1390710, 1622495, 1854280, 1946994, 2595992, 2781420, 3244990, 3893988, 4867485, 5562840, 6489980, 7787976, 9734970, 12979960, 19469940, 38939880]

約数ペア:

[(1, 38939880), (2, 19469940), (3, 12979960), (4, 9734970), (5, 7787976), (6, 6489980), (7, 5562840), (8, 4867485), (10, 3893988), (12, 3244990), (14, 2781420), (15, 2595992), (20, 1946994), (21, 1854280), (24, 1622495), (28, 1390710), (30, 1297996), (35, 1112568), (40, 973497), (42, 927140), (56, 695355), (60, 648998), (70, 556284), (84, 463570), (105, 370856), (120, 324499), (140, 278142), (151, 257880), (168, 231785), (210, 185428), (280, 139071), (302, 128940), (307, 126840), (420, 92714), (453, 85960), (604, 64470), (614, 63420), (755, 51576), (840, 46357), (906, 42980), (921, 42280), (1057, 36840), (1208, 32235), (1228, 31710), (1510, 25788), (1535, 25368), (1812, 21490), (1842, 21140), (2114, 18420), (2149, 18120), (2265, 17192), (2456, 15855), (3020, 12894), (3070, 12684), (3171, 12280), (3624, 10745), (3684, 10570), (4228, 9210), (4298, 9060), (4530, 8596), (4605, 8456), (5285, 7368), (6040, 6447), (6140, 6342)]