11457880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 29767680

約数和(自身を除く): 18309800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 271, 280, 302, 542, 604, 755, 1057, 1084, 1208, 1355, 1510, 1897, 2114, 2168, 2710, 3020, 3794, 4228, 5285, 5420, 6040, 7588, 8456, 9485, 10570, 10840, 15176, 18970, 21140, 37940, 40921, 42280, 75880, 81842, 163684, 204605, 286447, 327368, 409210, 572894, 818420, 1145788, 1432235, 1636840, 2291576, 2864470, 5728940, 11457880]

約数ペア:

[(1, 11457880), (2, 5728940), (4, 2864470), (5, 2291576), (7, 1636840), (8, 1432235), (10, 1145788), (14, 818420), (20, 572894), (28, 409210), (35, 327368), (40, 286447), (56, 204605), (70, 163684), (140, 81842), (151, 75880), (271, 42280), (280, 40921), (302, 37940), (542, 21140), (604, 18970), (755, 15176), (1057, 10840), (1084, 10570), (1208, 9485), (1355, 8456), (1510, 7588), (1897, 6040), (2114, 5420), (2168, 5285), (2710, 4228), (3020, 3794)]