64243660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 148493520

約数和(自身を除く): 84249860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 169, 229, 260, 332, 338, 415, 458, 676, 830, 845, 916, 1079, 1145, 1660, 1690, 2158, 2290, 2977, 3380, 4316, 4580, 5395, 5954, 10790, 11908, 14027, 14885, 19007, 21580, 28054, 29770, 38014, 38701, 56108, 59540, 70135, 76028, 77402, 95035, 140270, 154804, 190070, 193505, 247091, 280540, 380140, 387010, 494182, 774020, 988364, 1235455, 2470910, 3212183, 4941820, 6424366, 12848732, 16060915, 32121830, 64243660]

約数ペア:

[(1, 64243660), (2, 32121830), (4, 16060915), (5, 12848732), (10, 6424366), (13, 4941820), (20, 3212183), (26, 2470910), (52, 1235455), (65, 988364), (83, 774020), (130, 494182), (166, 387010), (169, 380140), (229, 280540), (260, 247091), (332, 193505), (338, 190070), (415, 154804), (458, 140270), (676, 95035), (830, 77402), (845, 76028), (916, 70135), (1079, 59540), (1145, 56108), (1660, 38701), (1690, 38014), (2158, 29770), (2290, 28054), (2977, 21580), (3380, 19007), (4316, 14885), (4580, 14027), (5395, 11908), (5954, 10790)]