31530390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 78008832

約数和(自身を除く): 46478442

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 113, 131, 142, 213, 226, 262, 339, 355, 393, 426, 565, 655, 678, 710, 786, 1065, 1130, 1310, 1695, 1965, 2130, 3390, 3930, 8023, 9301, 14803, 16046, 18602, 24069, 27903, 29606, 40115, 44409, 46505, 48138, 55806, 74015, 80230, 88818, 93010, 120345, 139515, 148030, 222045, 240690, 279030, 444090, 1051013, 2102026, 3153039, 5255065, 6306078, 10510130, 15765195, 31530390]

約数ペア:

[(1, 31530390), (2, 15765195), (3, 10510130), (5, 6306078), (6, 5255065), (10, 3153039), (15, 2102026), (30, 1051013), (71, 444090), (113, 279030), (131, 240690), (142, 222045), (213, 148030), (226, 139515), (262, 120345), (339, 93010), (355, 88818), (393, 80230), (426, 74015), (565, 55806), (655, 48138), (678, 46505), (710, 44409), (786, 40115), (1065, 29606), (1130, 27903), (1310, 24069), (1695, 18602), (1965, 16046), (2130, 14803), (3390, 9301), (3930, 8023)]