1491817880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1487}}^1\times {\mathrm{3583}}^1$

素因数の和:5088

約数の個数: 64

約数和(自身を含む): 3839754240

約数和(自身を除く): 2347936360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1487, 2974, 3583, 5948, 7166, 7435, 10409, 11896, 14332, 14870, 17915, 20818, 25081, 28664, 29740, 35830, 41636, 50162, 52045, 59480, 71660, 83272, 100324, 104090, 125405, 143320, 200648, 208180, 250810, 416360, 501620, 1003240, 5327921, 10655842, 21311684, 26639605, 37295447, 42623368, 53279210, 74590894, 106558420, 149181788, 186477235, 213116840, 298363576, 372954470, 745908940, 1491817880]

約数ペア:

[(1, 1491817880), (2, 745908940), (4, 372954470), (5, 298363576), (7, 213116840), (8, 186477235), (10, 149181788), (14, 106558420), (20, 74590894), (28, 53279210), (35, 42623368), (40, 37295447), (56, 26639605), (70, 21311684), (140, 10655842), (280, 5327921), (1487, 1003240), (2974, 501620), (3583, 416360), (5948, 250810), (7166, 208180), (7435, 200648), (10409, 143320), (11896, 125405), (14332, 104090), (14870, 100324), (17915, 83272), (20818, 71660), (25081, 59480), (28664, 52045), (29740, 50162), (35830, 41636)]