128151760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1492

約数の個数: 80

約数和(自身を含む): 328318272

約数和(自身を除く): 200166512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 856, 880, 1070, 1177, 1361, 1712, 2140, 2354, 2722, 4280, 4708, 5444, 5885, 6805, 8560, 9416, 10888, 11770, 13610, 14971, 18832, 21776, 23540, 27220, 29942, 47080, 54440, 59884, 74855, 94160, 108880, 119768, 145627, 149710, 239536, 291254, 299420, 582508, 598840, 728135, 1165016, 1197680, 1456270, 1601897, 2330032, 2912540, 3203794, 5825080, 6407588, 8009485, 11650160, 12815176, 16018970, 25630352, 32037940, 64075880, 128151760]

約数ペア:

[(1, 128151760), (2, 64075880), (4, 32037940), (5, 25630352), (8, 16018970), (10, 12815176), (11, 11650160), (16, 8009485), (20, 6407588), (22, 5825080), (40, 3203794), (44, 2912540), (55, 2330032), (80, 1601897), (88, 1456270), (107, 1197680), (110, 1165016), (176, 728135), (214, 598840), (220, 582508), (428, 299420), (440, 291254), (535, 239536), (856, 149710), (880, 145627), (1070, 119768), (1177, 108880), (1361, 94160), (1712, 74855), (2140, 59884), (2354, 54440), (2722, 47080), (4280, 29942), (4708, 27220), (5444, 23540), (5885, 21776), (6805, 18832), (8560, 14971), (9416, 13610), (10888, 11770)]