64751440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 169239168

約数和(自身を除く): 104487728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2707, 2990, 4784, 5414, 5980, 10828, 11960, 13535, 21656, 23920, 27070, 35191, 43312, 54140, 62261, 70382, 108280, 124522, 140764, 175955, 216560, 249044, 281528, 311305, 351910, 498088, 563056, 622610, 703820, 809393, 996176, 1245220, 1407640, 1618786, 2490440, 2815280, 3237572, 4046965, 4980880, 6475144, 8093930, 12950288, 16187860, 32375720, 64751440]

約数ペア:

[(1, 64751440), (2, 32375720), (4, 16187860), (5, 12950288), (8, 8093930), (10, 6475144), (13, 4980880), (16, 4046965), (20, 3237572), (23, 2815280), (26, 2490440), (40, 1618786), (46, 1407640), (52, 1245220), (65, 996176), (80, 809393), (92, 703820), (104, 622610), (115, 563056), (130, 498088), (184, 351910), (208, 311305), (230, 281528), (260, 249044), (299, 216560), (368, 175955), (460, 140764), (520, 124522), (598, 108280), (920, 70382), (1040, 62261), (1196, 54140), (1495, 43312), (1840, 35191), (2392, 27070), (2707, 23920), (2990, 21656), (4784, 13535), (5414, 11960), (5980, 10828)]