15696841640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{90191}}^1$

素因数の和:90450

約数の個数: 64

約数和(自身を含む): 37339488000

約数和(自身を除く): 21642646360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 229, 380, 458, 760, 916, 1145, 1832, 2290, 4351, 4580, 8702, 9160, 17404, 21755, 34808, 43510, 87020, 90191, 174040, 180382, 360764, 450955, 721528, 901910, 1713629, 1803820, 3427258, 3607640, 6854516, 8568145, 13709032, 17136290, 20653739, 34272580, 41307478, 68545160, 82614956, 103268695, 165229912, 206537390, 392421041, 413074780, 784842082, 826149560, 1569684164, 1962105205, 3139368328, 3924210410, 7848420820, 15696841640]

約数ペア:

[(1, 15696841640), (2, 7848420820), (4, 3924210410), (5, 3139368328), (8, 1962105205), (10, 1569684164), (19, 826149560), (20, 784842082), (38, 413074780), (40, 392421041), (76, 206537390), (95, 165229912), (152, 103268695), (190, 82614956), (229, 68545160), (380, 41307478), (458, 34272580), (760, 20653739), (916, 17136290), (1145, 13709032), (1832, 8568145), (2290, 6854516), (4351, 3607640), (4580, 3427258), (8702, 1803820), (9160, 1713629), (17404, 901910), (21755, 721528), (34808, 450955), (43510, 360764), (87020, 180382), (90191, 174040)]