15515260990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1\times {\mathrm{1063}}^1$

素因数の和:1537

約数の個数: 64

約数和(自身を含む): 29123297280

約数和(自身を除く): 13608036290

約数列:

[1, 2, 5, 10, 31, 62, 155, 197, 239, 310, 394, 478, 985, 1063, 1195, 1970, 2126, 2390, 5315, 6107, 7409, 10630, 12214, 14818, 30535, 32953, 37045, 47083, 61070, 65906, 74090, 94166, 164765, 209411, 235415, 254057, 329530, 418822, 470830, 508114, 1047055, 1270285, 1459573, 2094110, 2540570, 2919146, 6491741, 7297865, 7875767, 12983482, 14595730, 15751534, 32458705, 39378835, 50049229, 64917410, 78757670, 100098458, 250246145, 500492290, 1551526099, 3103052198, 7757630495, 15515260990]

約数ペア:

[(1, 15515260990), (2, 7757630495), (5, 3103052198), (10, 1551526099), (31, 500492290), (62, 250246145), (155, 100098458), (197, 78757670), (239, 64917410), (310, 50049229), (394, 39378835), (478, 32458705), (985, 15751534), (1063, 14595730), (1195, 12983482), (1970, 7875767), (2126, 7297865), (2390, 6491741), (5315, 2919146), (6107, 2540570), (7409, 2094110), (10630, 1459573), (12214, 1270285), (14818, 1047055), (30535, 508114), (32953, 470830), (37045, 418822), (47083, 329530), (61070, 254057), (65906, 235415), (74090, 209411), (94166, 164765)]