155156680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3719}}^1$

素因数の和:3886

約数の個数: 64

約数和(自身を含む): 401760000

約数和(自身を除く): 246603320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 3719, 4172, 5215, 5960, 7438, 8344, 10430, 14876, 18595, 20860, 26033, 29752, 37190, 41720, 52066, 74380, 104132, 130165, 148760, 208264, 260330, 520660, 554131, 1041320, 1108262, 2216524, 2770655, 3878917, 4433048, 5541310, 7757834, 11082620, 15515668, 19394585, 22165240, 31031336, 38789170, 77578340, 155156680]

約数ペア:

[(1, 155156680), (2, 77578340), (4, 38789170), (5, 31031336), (7, 22165240), (8, 19394585), (10, 15515668), (14, 11082620), (20, 7757834), (28, 5541310), (35, 4433048), (40, 3878917), (56, 2770655), (70, 2216524), (140, 1108262), (149, 1041320), (280, 554131), (298, 520660), (596, 260330), (745, 208264), (1043, 148760), (1192, 130165), (1490, 104132), (2086, 74380), (2980, 52066), (3719, 41720), (4172, 37190), (5215, 29752), (5960, 26033), (7438, 20860), (8344, 18595), (10430, 14876)]