15696897740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1$

素因数の和:1119

約数の個数: 96

約数和(自身を含む): 34458697728

約数和(自身を除く): 18761799988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 311, 508, 620, 622, 635, 641, 1244, 1270, 1282, 1555, 2540, 2564, 3110, 3205, 3937, 6220, 6410, 7874, 9641, 12820, 15748, 19282, 19685, 19871, 38564, 39370, 39497, 39742, 48205, 78740, 78994, 79484, 81407, 96410, 99355, 157988, 162814, 192820, 197485, 198710, 199351, 325628, 394970, 397420, 398702, 407035, 789940, 797404, 814070, 996755, 1224407, 1628140, 1993510, 2448814, 2523617, 3987020, 4897628, 5047234, 6122035, 6179881, 10094468, 12244070, 12359762, 12618085, 24488140, 24719524, 25236170, 25317577, 30899405, 50472340, 50635154, 61798810, 101270308, 123597620, 126587885, 253175770, 506351540, 784844887, 1569689774, 3139379548, 3924224435, 7848448870, 15696897740]

約数ペア:

[(1, 15696897740), (2, 7848448870), (4, 3924224435), (5, 3139379548), (10, 1569689774), (20, 784844887), (31, 506351540), (62, 253175770), (124, 126587885), (127, 123597620), (155, 101270308), (254, 61798810), (310, 50635154), (311, 50472340), (508, 30899405), (620, 25317577), (622, 25236170), (635, 24719524), (641, 24488140), (1244, 12618085), (1270, 12359762), (1282, 12244070), (1555, 10094468), (2540, 6179881), (2564, 6122035), (3110, 5047234), (3205, 4897628), (3937, 3987020), (6220, 2523617), (6410, 2448814), (7874, 1993510), (9641, 1628140), (12820, 1224407), (15748, 996755), (19282, 814070), (19685, 797404), (19871, 789940), (38564, 407035), (39370, 398702), (39497, 397420), (39742, 394970), (48205, 325628), (78740, 199351), (78994, 198710), (79484, 197485), (81407, 192820), (96410, 162814), (99355, 157988)]