157555640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11551}}^1$

素因数の和:11604

約数の個数: 64

約数和(自身を含む): 399237120

約数和(自身を除く): 241681480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 11551, 13640, 23102, 46204, 57755, 92408, 115510, 127061, 231020, 254122, 358081, 462040, 508244, 635305, 716162, 1016488, 1270610, 1432324, 1790405, 2541220, 2864648, 3580810, 3938891, 5082440, 7161620, 7877782, 14323240, 15755564, 19694455, 31511128, 39388910, 78777820, 157555640]

約数ペア:

[(1, 157555640), (2, 78777820), (4, 39388910), (5, 31511128), (8, 19694455), (10, 15755564), (11, 14323240), (20, 7877782), (22, 7161620), (31, 5082440), (40, 3938891), (44, 3580810), (55, 2864648), (62, 2541220), (88, 1790405), (110, 1432324), (124, 1270610), (155, 1016488), (220, 716162), (248, 635305), (310, 508244), (341, 462040), (440, 358081), (620, 254122), (682, 231020), (1240, 127061), (1364, 115510), (1705, 92408), (2728, 57755), (3410, 46204), (6820, 23102), (11551, 13640)]