90604980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 289371264

約数和(自身を除く): 198766284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 103, 108, 135, 162, 180, 181, 206, 243, 270, 309, 324, 362, 405, 412, 486, 515, 540, 543, 618, 724, 810, 905, 927, 972, 1030, 1086, 1215, 1236, 1545, 1620, 1629, 1810, 1854, 2060, 2172, 2430, 2715, 2781, 3090, 3258, 3620, 3708, 4635, 4860, 4887, 5430, 5562, 6180, 6516, 8145, 8343, 9270, 9774, 10860, 11124, 13905, 14661, 16290, 16686, 18540, 18643, 19548, 24435, 25029, 27810, 29322, 32580, 33372, 37286, 41715, 43983, 48870, 50058, 55620, 55929, 58644, 73305, 74572, 83430, 87966, 93215, 97740, 100116, 111858, 125145, 146610, 166860, 167787, 175932, 186430, 219915, 223716, 250290, 279645, 293220, 335574, 372860, 439830, 500580, 503361, 559290, 671148, 838935, 879660, 1006722, 1118580, 1510083, 1677870, 2013444, 2516805, 3020166, 3355740, 4530249, 5033610, 6040332, 7550415, 9060498, 10067220, 15100830, 18120996, 22651245, 30201660, 45302490, 90604980]

約数ペア:

[(1, 90604980), (2, 45302490), (3, 30201660), (4, 22651245), (5, 18120996), (6, 15100830), (9, 10067220), (10, 9060498), (12, 7550415), (15, 6040332), (18, 5033610), (20, 4530249), (27, 3355740), (30, 3020166), (36, 2516805), (45, 2013444), (54, 1677870), (60, 1510083), (81, 1118580), (90, 1006722), (103, 879660), (108, 838935), (135, 671148), (162, 559290), (180, 503361), (181, 500580), (206, 439830), (243, 372860), (270, 335574), (309, 293220), (324, 279645), (362, 250290), (405, 223716), (412, 219915), (486, 186430), (515, 175932), (540, 167787), (543, 166860), (618, 146610), (724, 125145), (810, 111858), (905, 100116), (927, 97740), (972, 93215), (1030, 87966), (1086, 83430), (1215, 74572), (1236, 73305), (1545, 58644), (1620, 55929), (1629, 55620), (1810, 50058), (1854, 48870), (2060, 43983), (2172, 41715), (2430, 37286), (2715, 33372), (2781, 32580), (3090, 29322), (3258, 27810), (3620, 25029), (3708, 24435), (4635, 19548), (4860, 18643), (4887, 18540), (5430, 16686), (5562, 16290), (6180, 14661), (6516, 13905), (8145, 11124), (8343, 10860), (9270, 9774)]