1270295920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{835721}}^1$

素因数の和:835753

約数の個数: 40

約数和(自身を含む): 3108885840

約数和(自身を除く): 1838589920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 835721, 1671442, 3342884, 4178605, 6685768, 8357210, 13371536, 15878699, 16714420, 31757398, 33428840, 63514796, 66857680, 79393495, 127029592, 158786990, 254059184, 317573980, 635147960, 1270295920]

約数ペア:

[(1, 1270295920), (2, 635147960), (4, 317573980), (5, 254059184), (8, 158786990), (10, 127029592), (16, 79393495), (19, 66857680), (20, 63514796), (38, 33428840), (40, 31757398), (76, 16714420), (80, 15878699), (95, 13371536), (152, 8357210), (190, 6685768), (304, 4178605), (380, 3342884), (760, 1671442), (1520, 835721)]