255195280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 607104000

約数和(自身を除く): 351908720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 149, 158, 271, 298, 316, 395, 542, 596, 632, 745, 790, 1084, 1192, 1264, 1355, 1490, 1580, 2168, 2384, 2710, 2980, 3160, 4336, 5420, 5960, 6320, 10840, 11771, 11920, 21409, 21680, 23542, 40379, 42818, 47084, 58855, 80758, 85636, 94168, 107045, 117710, 161516, 171272, 188336, 201895, 214090, 235420, 323032, 342544, 403790, 428180, 470840, 646064, 807580, 856360, 941680, 1615160, 1712720, 3189941, 3230320, 6379882, 12759764, 15949705, 25519528, 31899410, 51039056, 63798820, 127597640, 255195280]

約数ペア:

[(1, 255195280), (2, 127597640), (4, 63798820), (5, 51039056), (8, 31899410), (10, 25519528), (16, 15949705), (20, 12759764), (40, 6379882), (79, 3230320), (80, 3189941), (149, 1712720), (158, 1615160), (271, 941680), (298, 856360), (316, 807580), (395, 646064), (542, 470840), (596, 428180), (632, 403790), (745, 342544), (790, 323032), (1084, 235420), (1192, 214090), (1264, 201895), (1355, 188336), (1490, 171272), (1580, 161516), (2168, 117710), (2384, 107045), (2710, 94168), (2980, 85636), (3160, 80758), (4336, 58855), (5420, 47084), (5960, 42818), (6320, 40379), (10840, 23542), (11771, 21680), (11920, 21409)]