215741520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2749}}^1$

素因数の和:2877

約数の個数: 120

約数和(自身を含む): 731445000

約数和(自身を除く): 515703480

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, 1308, 1635, 1744, 1962, 2180, 2616, 2749, 3270, 3924, 4360, 4905, 5232, 5498, 6540, 7848, 8247, 8720, 9810, 10996, 13080, 13745, 15696, 16494, 19620, 21992, 24741, 26160, 27490, 32988, 39240, 41235, 43984, 49482, 54980, 65976, 78480, 82470, 98964, 109960, 123705, 131952, 164940, 197928, 219920, 247410, 299641, 329880, 395856, 494820, 599282, 659760, 898923, 989640, 1198564, 1498205, 1797846, 1979280, 2397128, 2696769, 2996410, 3595692, 4494615, 4794256, 5393538, 5992820, 7191384, 8989230, 10787076, 11985640, 13483845, 14382768, 17978460, 21574152, 23971280, 26967690, 35956920, 43148304, 53935380, 71913840, 107870760, 215741520]

約数ペア:

[(1, 215741520), (2, 107870760), (3, 71913840), (4, 53935380), (5, 43148304), (6, 35956920), (8, 26967690), (9, 23971280), (10, 21574152), (12, 17978460), (15, 14382768), (16, 13483845), (18, 11985640), (20, 10787076), (24, 8989230), (30, 7191384), (36, 5992820), (40, 5393538), (45, 4794256), (48, 4494615), (60, 3595692), (72, 2996410), (80, 2696769), (90, 2397128), (109, 1979280), (120, 1797846), (144, 1498205), (180, 1198564), (218, 989640), (240, 898923), (327, 659760), (360, 599282), (436, 494820), (545, 395856), (654, 329880), (720, 299641), (872, 247410), (981, 219920), (1090, 197928), (1308, 164940), (1635, 131952), (1744, 123705), (1962, 109960), (2180, 98964), (2616, 82470), (2749, 78480), (3270, 65976), (3924, 54980), (4360, 49482), (4905, 43984), (5232, 41235), (5498, 39240), (6540, 32988), (7848, 27490), (8247, 26160), (8720, 24741), (9810, 21992), (10996, 19620), (13080, 16494), (13745, 15696)]