81108090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4153}}^1$

素因数の和:4204

約数の個数: 96

約数和(自身を含む): 248841216

約数和(自身を除く): 167733126

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1953, 2170, 2790, 3255, 3906, 4153, 6510, 8306, 9765, 12459, 19530, 20765, 24918, 29071, 37377, 41530, 58142, 62295, 74754, 87213, 124590, 128743, 145355, 174426, 186885, 257486, 261639, 290710, 373770, 386229, 436065, 523278, 643715, 772458, 872130, 901201, 1158687, 1287430, 1308195, 1802402, 1931145, 2317374, 2616390, 2703603, 3862290, 4506005, 5407206, 5793435, 8110809, 9012010, 11586870, 13518015, 16221618, 27036030, 40554045, 81108090]

約数ペア:

[(1, 81108090), (2, 40554045), (3, 27036030), (5, 16221618), (6, 13518015), (7, 11586870), (9, 9012010), (10, 8110809), (14, 5793435), (15, 5407206), (18, 4506005), (21, 3862290), (30, 2703603), (31, 2616390), (35, 2317374), (42, 1931145), (45, 1802402), (62, 1308195), (63, 1287430), (70, 1158687), (90, 901201), (93, 872130), (105, 772458), (126, 643715), (155, 523278), (186, 436065), (210, 386229), (217, 373770), (279, 290710), (310, 261639), (315, 257486), (434, 186885), (465, 174426), (558, 145355), (630, 128743), (651, 124590), (930, 87213), (1085, 74754), (1302, 62295), (1395, 58142), (1953, 41530), (2170, 37377), (2790, 29071), (3255, 24918), (3906, 20765), (4153, 19530), (6510, 12459), (8306, 9765)]