90487440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1153}}^1$

素因数の和:1281

約数の個数: 120

約数和(自身を含む): 306940920

約数和(自身を除く): 216453480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1153, 1308, 1635, 1744, 1962, 2180, 2306, 2616, 3270, 3459, 3924, 4360, 4612, 4905, 5232, 5765, 6540, 6918, 7848, 8720, 9224, 9810, 10377, 11530, 13080, 13836, 15696, 17295, 18448, 19620, 20754, 23060, 26160, 27672, 34590, 39240, 41508, 46120, 51885, 55344, 69180, 78480, 83016, 92240, 103770, 125677, 138360, 166032, 207540, 251354, 276720, 377031, 415080, 502708, 628385, 754062, 830160, 1005416, 1131093, 1256770, 1508124, 1885155, 2010832, 2262186, 2513540, 3016248, 3770310, 4524372, 5027080, 5655465, 6032496, 7540620, 9048744, 10054160, 11310930, 15081240, 18097488, 22621860, 30162480, 45243720, 90487440]

約数ペア:

[(1, 90487440), (2, 45243720), (3, 30162480), (4, 22621860), (5, 18097488), (6, 15081240), (8, 11310930), (9, 10054160), (10, 9048744), (12, 7540620), (15, 6032496), (16, 5655465), (18, 5027080), (20, 4524372), (24, 3770310), (30, 3016248), (36, 2513540), (40, 2262186), (45, 2010832), (48, 1885155), (60, 1508124), (72, 1256770), (80, 1131093), (90, 1005416), (109, 830160), (120, 754062), (144, 628385), (180, 502708), (218, 415080), (240, 377031), (327, 276720), (360, 251354), (436, 207540), (545, 166032), (654, 138360), (720, 125677), (872, 103770), (981, 92240), (1090, 83016), (1153, 78480), (1308, 69180), (1635, 55344), (1744, 51885), (1962, 46120), (2180, 41508), (2306, 39240), (2616, 34590), (3270, 27672), (3459, 26160), (3924, 23060), (4360, 20754), (4612, 19620), (4905, 18448), (5232, 17295), (5765, 15696), (6540, 13836), (6918, 13080), (7848, 11530), (8720, 10377), (9224, 9810)]