64236880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 159699600

約数和(自身を除く): 95462720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 317, 340, 596, 634, 680, 745, 1192, 1268, 1360, 1490, 1585, 2384, 2533, 2536, 2980, 3170, 5066, 5072, 5389, 5960, 6340, 10132, 10778, 11920, 12665, 12680, 20264, 21556, 25330, 25360, 26945, 40528, 43112, 47233, 50660, 53890, 86224, 94466, 101320, 107780, 188932, 202640, 215560, 236165, 377864, 431120, 472330, 755728, 802961, 944660, 1605922, 1889320, 3211844, 3778640, 4014805, 6423688, 8029610, 12847376, 16059220, 32118440, 64236880]

約数ペア:

[(1, 64236880), (2, 32118440), (4, 16059220), (5, 12847376), (8, 8029610), (10, 6423688), (16, 4014805), (17, 3778640), (20, 3211844), (34, 1889320), (40, 1605922), (68, 944660), (80, 802961), (85, 755728), (136, 472330), (149, 431120), (170, 377864), (272, 236165), (298, 215560), (317, 202640), (340, 188932), (596, 107780), (634, 101320), (680, 94466), (745, 86224), (1192, 53890), (1268, 50660), (1360, 47233), (1490, 43112), (1585, 40528), (2384, 26945), (2533, 25360), (2536, 25330), (2980, 21556), (3170, 20264), (5066, 12680), (5072, 12665), (5389, 11920), (5960, 10778), (6340, 10132)]