129887940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23789}}^1$

素因数の和:23821

約数の個数: 96

約数和(自身を含む): 447632640

約数和(自身を除く): 317744700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 23789, 47578, 71367, 95156, 118945, 142734, 166523, 237890, 285468, 309257, 333046, 356835, 475780, 499569, 618514, 666092, 713670, 832615, 927771, 999138, 1237028, 1427340, 1546285, 1665230, 1855542, 1998276, 2164799, 2497845, 3092570, 3330460, 3711084, 4329598, 4638855, 4995690, 6185140, 6494397, 8659196, 9277710, 9991380, 10823995, 12988794, 18555420, 21647990, 25977588, 32471985, 43295980, 64943970, 129887940]

約数ペア:

[(1, 129887940), (2, 64943970), (3, 43295980), (4, 32471985), (5, 25977588), (6, 21647990), (7, 18555420), (10, 12988794), (12, 10823995), (13, 9991380), (14, 9277710), (15, 8659196), (20, 6494397), (21, 6185140), (26, 4995690), (28, 4638855), (30, 4329598), (35, 3711084), (39, 3330460), (42, 3092570), (52, 2497845), (60, 2164799), (65, 1998276), (70, 1855542), (78, 1665230), (84, 1546285), (91, 1427340), (105, 1237028), (130, 999138), (140, 927771), (156, 832615), (182, 713670), (195, 666092), (210, 618514), (260, 499569), (273, 475780), (364, 356835), (390, 333046), (420, 309257), (455, 285468), (546, 237890), (780, 166523), (910, 142734), (1092, 118945), (1365, 95156), (1820, 71367), (2730, 47578), (5460, 23789)]