85457340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 271086816

約数和(自身を除く): 185629476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 61, 86, 90, 122, 129, 172, 180, 181, 183, 215, 244, 258, 305, 362, 366, 387, 430, 516, 543, 549, 610, 645, 724, 732, 774, 860, 905, 915, 1086, 1098, 1220, 1290, 1548, 1629, 1810, 1830, 1935, 2172, 2196, 2580, 2623, 2715, 2745, 3258, 3620, 3660, 3870, 5246, 5430, 5490, 6516, 7740, 7783, 7869, 8145, 10492, 10860, 10980, 11041, 13115, 15566, 15738, 16290, 22082, 23349, 23607, 26230, 31132, 31476, 32580, 33123, 38915, 39345, 44164, 46698, 47214, 52460, 55205, 66246, 70047, 77830, 78690, 93396, 94428, 99369, 110410, 116745, 118035, 132492, 140094, 155660, 157380, 165615, 198738, 220820, 233490, 236070, 280188, 331230, 350235, 397476, 466980, 472140, 474763, 496845, 662460, 700470, 949526, 993690, 1400940, 1424289, 1899052, 1987380, 2373815, 2848578, 4272867, 4747630, 5697156, 7121445, 8545734, 9495260, 14242890, 17091468, 21364335, 28485780, 42728670, 85457340]

約数ペア:

[(1, 85457340), (2, 42728670), (3, 28485780), (4, 21364335), (5, 17091468), (6, 14242890), (9, 9495260), (10, 8545734), (12, 7121445), (15, 5697156), (18, 4747630), (20, 4272867), (30, 2848578), (36, 2373815), (43, 1987380), (45, 1899052), (60, 1424289), (61, 1400940), (86, 993690), (90, 949526), (122, 700470), (129, 662460), (172, 496845), (180, 474763), (181, 472140), (183, 466980), (215, 397476), (244, 350235), (258, 331230), (305, 280188), (362, 236070), (366, 233490), (387, 220820), (430, 198738), (516, 165615), (543, 157380), (549, 155660), (610, 140094), (645, 132492), (724, 118035), (732, 116745), (774, 110410), (860, 99369), (905, 94428), (915, 93396), (1086, 78690), (1098, 77830), (1220, 70047), (1290, 66246), (1548, 55205), (1629, 52460), (1810, 47214), (1830, 46698), (1935, 44164), (2172, 39345), (2196, 38915), (2580, 33123), (2623, 32580), (2715, 31476), (2745, 31132), (3258, 26230), (3620, 23607), (3660, 23349), (3870, 22082), (5246, 16290), (5430, 15738), (5490, 15566), (6516, 13115), (7740, 11041), (7783, 10980), (7869, 10860), (8145, 10492)]