90289980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1528

約数の個数: 144

約数和(自身を含む): 308625408

約数和(自身を除く): 218335428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1471, 1705, 1860, 1980, 2046, 2790, 2942, 3069, 3410, 4092, 4413, 5115, 5580, 5884, 6138, 6820, 7355, 8826, 10230, 12276, 13239, 14710, 15345, 16181, 17652, 20460, 22065, 26478, 29420, 30690, 32362, 44130, 45601, 48543, 52956, 61380, 64724, 66195, 80905, 88260, 91202, 97086, 132390, 136803, 145629, 161810, 182404, 194172, 228005, 242715, 264780, 273606, 291258, 323620, 410409, 456010, 485430, 501611, 547212, 582516, 684015, 728145, 820818, 912020, 970860, 1003222, 1368030, 1456290, 1504833, 1641636, 2006444, 2052045, 2508055, 2736060, 2912580, 3009666, 4104090, 4514499, 5016110, 6019332, 7524165, 8208180, 9028998, 10032220, 15048330, 18057996, 22572495, 30096660, 45144990, 90289980]

約数ペア:

[(1, 90289980), (2, 45144990), (3, 30096660), (4, 22572495), (5, 18057996), (6, 15048330), (9, 10032220), (10, 9028998), (11, 8208180), (12, 7524165), (15, 6019332), (18, 5016110), (20, 4514499), (22, 4104090), (30, 3009666), (31, 2912580), (33, 2736060), (36, 2508055), (44, 2052045), (45, 2006444), (55, 1641636), (60, 1504833), (62, 1456290), (66, 1368030), (90, 1003222), (93, 970860), (99, 912020), (110, 820818), (124, 728145), (132, 684015), (155, 582516), (165, 547212), (180, 501611), (186, 485430), (198, 456010), (220, 410409), (279, 323620), (310, 291258), (330, 273606), (341, 264780), (372, 242715), (396, 228005), (465, 194172), (495, 182404), (558, 161810), (620, 145629), (660, 136803), (682, 132390), (930, 97086), (990, 91202), (1023, 88260), (1116, 80905), (1364, 66195), (1395, 64724), (1471, 61380), (1705, 52956), (1860, 48543), (1980, 45601), (2046, 44130), (2790, 32362), (2942, 30690), (3069, 29420), (3410, 26478), (4092, 22065), (4413, 20460), (5115, 17652), (5580, 16181), (5884, 15345), (6138, 14710), (6820, 13239), (7355, 12276), (8826, 10230)]