7781620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 21159936

約数和(自身を除く): 13378316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 163, 217, 220, 308, 310, 326, 341, 385, 434, 620, 652, 682, 770, 815, 868, 1085, 1141, 1364, 1540, 1630, 1705, 1793, 2170, 2282, 2387, 3260, 3410, 3586, 4340, 4564, 4774, 5053, 5705, 6820, 7172, 8965, 9548, 10106, 11410, 11935, 12551, 17930, 20212, 22820, 23870, 25102, 25265, 35371, 35860, 47740, 50204, 50530, 55583, 62755, 70742, 101060, 111166, 125510, 141484, 176855, 222332, 251020, 277915, 353710, 389081, 555830, 707420, 778162, 1111660, 1556324, 1945405, 3890810, 7781620]

約数ペア:

[(1, 7781620), (2, 3890810), (4, 1945405), (5, 1556324), (7, 1111660), (10, 778162), (11, 707420), (14, 555830), (20, 389081), (22, 353710), (28, 277915), (31, 251020), (35, 222332), (44, 176855), (55, 141484), (62, 125510), (70, 111166), (77, 101060), (110, 70742), (124, 62755), (140, 55583), (154, 50530), (155, 50204), (163, 47740), (217, 35860), (220, 35371), (308, 25265), (310, 25102), (326, 23870), (341, 22820), (385, 20212), (434, 17930), (620, 12551), (652, 11935), (682, 11410), (770, 10106), (815, 9548), (868, 8965), (1085, 7172), (1141, 6820), (1364, 5705), (1540, 5053), (1630, 4774), (1705, 4564), (1793, 4340), (2170, 3586), (2282, 3410), (2387, 3260)]