620370560

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4871}}^1$

素因数の和:5089

約数の個数: 64

約数和(自身を含む): 1490832000

約数和(自身を除く): 870461440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 640, 796, 995, 1592, 1990, 3184, 3980, 4871, 6368, 7960, 9742, 12736, 15920, 19484, 24355, 25472, 31840, 38968, 48710, 63680, 77936, 97420, 127360, 155872, 194840, 311744, 389680, 623488, 779360, 969329, 1558720, 1938658, 3117440, 3877316, 4846645, 7754632, 9693290, 15509264, 19386580, 31018528, 38773160, 62037056, 77546320, 124074112, 155092640, 310185280, 620370560]

約数ペア:

[(1, 620370560), (2, 310185280), (4, 155092640), (5, 124074112), (8, 77546320), (10, 62037056), (16, 38773160), (20, 31018528), (32, 19386580), (40, 15509264), (64, 9693290), (80, 7754632), (128, 4846645), (160, 3877316), (199, 3117440), (320, 1938658), (398, 1558720), (640, 969329), (796, 779360), (995, 623488), (1592, 389680), (1990, 311744), (3184, 194840), (3980, 155872), (4871, 127360), (6368, 97420), (7960, 77936), (9742, 63680), (12736, 48710), (15920, 38968), (19484, 31840), (24355, 25472)]