128429560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26981}}^1$

素因数の和:27016

約数の個数: 64

約数和(自身を含む): 349686720

約数和(自身を除く): 221257160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 26981, 53962, 107924, 134905, 188867, 215848, 269810, 377734, 458677, 539620, 755468, 917354, 944335, 1079240, 1510936, 1834708, 1888670, 2293385, 3210739, 3669416, 3777340, 4586770, 6421478, 7554680, 9173540, 12842956, 16053695, 18347080, 25685912, 32107390, 64214780, 128429560]

約数ペア:

[(1, 128429560), (2, 64214780), (4, 32107390), (5, 25685912), (7, 18347080), (8, 16053695), (10, 12842956), (14, 9173540), (17, 7554680), (20, 6421478), (28, 4586770), (34, 3777340), (35, 3669416), (40, 3210739), (56, 2293385), (68, 1888670), (70, 1834708), (85, 1510936), (119, 1079240), (136, 944335), (140, 917354), (170, 755468), (238, 539620), (280, 458677), (340, 377734), (476, 269810), (595, 215848), (680, 188867), (952, 134905), (1190, 107924), (2380, 53962), (4760, 26981)]