71913840

素因数分解:

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

素因数の和:2874

約数の個数: 80

約数和(自身を含む): 225060000

約数和(自身を除く): 153146160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 2749, 3270, 4360, 5232, 5498, 6540, 8247, 8720, 10996, 13080, 13745, 16494, 21992, 26160, 27490, 32988, 41235, 43984, 54980, 65976, 82470, 109960, 131952, 164940, 219920, 299641, 329880, 599282, 659760, 898923, 1198564, 1498205, 1797846, 2397128, 2996410, 3595692, 4494615, 4794256, 5992820, 7191384, 8989230, 11985640, 14382768, 17978460, 23971280, 35956920, 71913840]

約数ペア:

[(1, 71913840), (2, 35956920), (3, 23971280), (4, 17978460), (5, 14382768), (6, 11985640), (8, 8989230), (10, 7191384), (12, 5992820), (15, 4794256), (16, 4494615), (20, 3595692), (24, 2996410), (30, 2397128), (40, 1797846), (48, 1498205), (60, 1198564), (80, 898923), (109, 659760), (120, 599282), (218, 329880), (240, 299641), (327, 219920), (436, 164940), (545, 131952), (654, 109960), (872, 82470), (1090, 65976), (1308, 54980), (1635, 43984), (1744, 41235), (2180, 32988), (2616, 27490), (2749, 26160), (3270, 21992), (4360, 16494), (5232, 13745), (5498, 13080), (6540, 10996), (8247, 8720)]