15697892680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{54727}}^1$

素因数の和:54910

約数の個数: 64

約数和(自身を含む): 36173018880

約数和(自身を除く): 20475126200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 101, 142, 202, 284, 355, 404, 505, 568, 710, 808, 1010, 1420, 2020, 2840, 4040, 7171, 14342, 28684, 35855, 54727, 57368, 71710, 109454, 143420, 218908, 273635, 286840, 437816, 547270, 1094540, 2189080, 3885617, 5527427, 7771234, 11054854, 15542468, 19428085, 22109708, 27637135, 31084936, 38856170, 44219416, 55274270, 77712340, 110548540, 155424680, 221097080, 392447317, 784894634, 1569789268, 1962236585, 3139578536, 3924473170, 7848946340, 15697892680]

約数ペア:

[(1, 15697892680), (2, 7848946340), (4, 3924473170), (5, 3139578536), (8, 1962236585), (10, 1569789268), (20, 784894634), (40, 392447317), (71, 221097080), (101, 155424680), (142, 110548540), (202, 77712340), (284, 55274270), (355, 44219416), (404, 38856170), (505, 31084936), (568, 27637135), (710, 22109708), (808, 19428085), (1010, 15542468), (1420, 11054854), (2020, 7771234), (2840, 5527427), (4040, 3885617), (7171, 2189080), (14342, 1094540), (28684, 547270), (35855, 437816), (54727, 286840), (57368, 273635), (71710, 218908), (109454, 143420)]