212545560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2497

約数の個数: 128

約数和(自身を含む): 691130880

約数和(自身を除く): 478585320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1290, 1462, 1720, 2040, 2193, 2423, 2580, 2924, 3655, 4386, 4846, 5160, 5848, 7269, 7310, 8772, 9692, 10965, 12115, 14538, 14620, 17544, 19384, 21930, 24230, 29076, 29240, 36345, 41191, 43860, 48460, 58152, 72690, 82382, 87720, 96920, 104189, 123573, 145380, 164764, 205955, 208378, 247146, 290760, 312567, 329528, 411910, 416756, 494292, 520945, 617865, 625134, 823820, 833512, 988584, 1041890, 1235730, 1250268, 1562835, 1647640, 1771213, 2083780, 2471460, 2500536, 3125670, 3542426, 4167560, 4942920, 5313639, 6251340, 7084852, 8856065, 10627278, 12502680, 14169704, 17712130, 21254556, 26568195, 35424260, 42509112, 53136390, 70848520, 106272780, 212545560]

約数ペア:

[(1, 212545560), (2, 106272780), (3, 70848520), (4, 53136390), (5, 42509112), (6, 35424260), (8, 26568195), (10, 21254556), (12, 17712130), (15, 14169704), (17, 12502680), (20, 10627278), (24, 8856065), (30, 7084852), (34, 6251340), (40, 5313639), (43, 4942920), (51, 4167560), (60, 3542426), (68, 3125670), (85, 2500536), (86, 2471460), (102, 2083780), (120, 1771213), (129, 1647640), (136, 1562835), (170, 1250268), (172, 1235730), (204, 1041890), (215, 988584), (255, 833512), (258, 823820), (340, 625134), (344, 617865), (408, 520945), (430, 494292), (510, 416756), (516, 411910), (645, 329528), (680, 312567), (731, 290760), (860, 247146), (1020, 208378), (1032, 205955), (1290, 164764), (1462, 145380), (1720, 123573), (2040, 104189), (2193, 96920), (2423, 87720), (2580, 82382), (2924, 72690), (3655, 58152), (4386, 48460), (4846, 43860), (5160, 41191), (5848, 36345), (7269, 29240), (7310, 29076), (8772, 24230), (9692, 21930), (10965, 19384), (12115, 17544), (14538, 14620)]