164518340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 419758080

約数和(自身を除く): 255239740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 127, 133, 140, 190, 254, 266, 380, 487, 508, 532, 635, 665, 889, 974, 1270, 1330, 1778, 1948, 2413, 2435, 2540, 2660, 3409, 3556, 4445, 4826, 4870, 6818, 8890, 9253, 9652, 9740, 12065, 13636, 16891, 17045, 17780, 18506, 24130, 33782, 34090, 37012, 46265, 48260, 61849, 64771, 67564, 68180, 84455, 92530, 123698, 129542, 168910, 185060, 247396, 259084, 309245, 323855, 337820, 432943, 618490, 647710, 865886, 1175131, 1236980, 1295420, 1731772, 2164715, 2350262, 4329430, 4700524, 5875655, 8225917, 8658860, 11751310, 16451834, 23502620, 32903668, 41129585, 82259170, 164518340]

約数ペア:

[(1, 164518340), (2, 82259170), (4, 41129585), (5, 32903668), (7, 23502620), (10, 16451834), (14, 11751310), (19, 8658860), (20, 8225917), (28, 5875655), (35, 4700524), (38, 4329430), (70, 2350262), (76, 2164715), (95, 1731772), (127, 1295420), (133, 1236980), (140, 1175131), (190, 865886), (254, 647710), (266, 618490), (380, 432943), (487, 337820), (508, 323855), (532, 309245), (635, 259084), (665, 247396), (889, 185060), (974, 168910), (1270, 129542), (1330, 123698), (1778, 92530), (1948, 84455), (2413, 68180), (2435, 67564), (2540, 64771), (2660, 61849), (3409, 48260), (3556, 46265), (4445, 37012), (4826, 34090), (4870, 33782), (6818, 24130), (8890, 18506), (9253, 17780), (9652, 17045), (9740, 16891), (12065, 13636)]