31117240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10103}}^1$

素因数の和:10132

約数の個数: 64

約数和(自身を含む): 87298560

約数和(自身を除く): 56181320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 10103, 20206, 40412, 50515, 70721, 80824, 101030, 111133, 141442, 202060, 222266, 282884, 353605, 404120, 444532, 555665, 565768, 707210, 777931, 889064, 1111330, 1414420, 1555862, 2222660, 2828840, 3111724, 3889655, 4445320, 6223448, 7779310, 15558620, 31117240]

約数ペア:

[(1, 31117240), (2, 15558620), (4, 7779310), (5, 6223448), (7, 4445320), (8, 3889655), (10, 3111724), (11, 2828840), (14, 2222660), (20, 1555862), (22, 1414420), (28, 1111330), (35, 889064), (40, 777931), (44, 707210), (55, 565768), (56, 555665), (70, 444532), (77, 404120), (88, 353605), (110, 282884), (140, 222266), (154, 202060), (220, 141442), (280, 111133), (308, 101030), (385, 80824), (440, 70721), (616, 50515), (770, 40412), (1540, 20206), (3080, 10103)]