28431060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 91822080

約数和(自身を除く): 63391020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 278, 417, 420, 487, 556, 695, 834, 973, 974, 1390, 1461, 1668, 1946, 1948, 2085, 2435, 2780, 2919, 2922, 3409, 3892, 4170, 4865, 4870, 5838, 5844, 6818, 7305, 8340, 9730, 9740, 10227, 11676, 13636, 14595, 14610, 17045, 19460, 20454, 29190, 29220, 34090, 40908, 51135, 58380, 67693, 68180, 102270, 135386, 203079, 204540, 270772, 338465, 406158, 473851, 676930, 812316, 947702, 1015395, 1353860, 1421553, 1895404, 2030790, 2369255, 2843106, 4061580, 4738510, 5686212, 7107765, 9477020, 14215530, 28431060]

約数ペア:

[(1, 28431060), (2, 14215530), (3, 9477020), (4, 7107765), (5, 5686212), (6, 4738510), (7, 4061580), (10, 2843106), (12, 2369255), (14, 2030790), (15, 1895404), (20, 1421553), (21, 1353860), (28, 1015395), (30, 947702), (35, 812316), (42, 676930), (60, 473851), (70, 406158), (84, 338465), (105, 270772), (139, 204540), (140, 203079), (210, 135386), (278, 102270), (417, 68180), (420, 67693), (487, 58380), (556, 51135), (695, 40908), (834, 34090), (973, 29220), (974, 29190), (1390, 20454), (1461, 19460), (1668, 17045), (1946, 14610), (1948, 14595), (2085, 13636), (2435, 11676), (2780, 10227), (2919, 9740), (2922, 9730), (3409, 8340), (3892, 7305), (4170, 6818), (4865, 5844), (4870, 5838)]