77969880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2113

約数の個数: 96

約数和(自身を含む): 255855600

約数和(自身を除く): 177885720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 545, 654, 872, 981, 1090, 1308, 1635, 1962, 1987, 2180, 2616, 3270, 3924, 3974, 4360, 4905, 5961, 6540, 7848, 7948, 9810, 9935, 11922, 13080, 15896, 17883, 19620, 19870, 23844, 29805, 35766, 39240, 39740, 47688, 59610, 71532, 79480, 89415, 119220, 143064, 178830, 216583, 238440, 357660, 433166, 649749, 715320, 866332, 1082915, 1299498, 1732664, 1949247, 2165830, 2598996, 3248745, 3898494, 4331660, 5197992, 6497490, 7796988, 8663320, 9746235, 12994980, 15593976, 19492470, 25989960, 38984940, 77969880]

約数ペア:

[(1, 77969880), (2, 38984940), (3, 25989960), (4, 19492470), (5, 15593976), (6, 12994980), (8, 9746235), (9, 8663320), (10, 7796988), (12, 6497490), (15, 5197992), (18, 4331660), (20, 3898494), (24, 3248745), (30, 2598996), (36, 2165830), (40, 1949247), (45, 1732664), (60, 1299498), (72, 1082915), (90, 866332), (109, 715320), (120, 649749), (180, 433166), (218, 357660), (327, 238440), (360, 216583), (436, 178830), (545, 143064), (654, 119220), (872, 89415), (981, 79480), (1090, 71532), (1308, 59610), (1635, 47688), (1962, 39740), (1987, 39240), (2180, 35766), (2616, 29805), (3270, 23844), (3924, 19870), (3974, 19620), (4360, 17883), (4905, 15896), (5961, 13080), (6540, 11922), (7848, 9935), (7948, 9810)]