287736680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1039

約数の個数: 128

約数和(自身を含む): 815892480

約数和(自身を除く): 528155800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 103, 110, 140, 154, 206, 220, 280, 308, 385, 412, 440, 515, 616, 721, 770, 824, 907, 1030, 1133, 1442, 1540, 1814, 2060, 2266, 2884, 3080, 3605, 3628, 4120, 4532, 4535, 5665, 5768, 6349, 7210, 7256, 7931, 9064, 9070, 9977, 11330, 12698, 14420, 15862, 18140, 19954, 22660, 25396, 28840, 31724, 31745, 36280, 39655, 39908, 45320, 49885, 50792, 63448, 63490, 69839, 79310, 79816, 93421, 99770, 126980, 139678, 158620, 186842, 199540, 253960, 279356, 317240, 349195, 373684, 399080, 467105, 558712, 653947, 698390, 747368, 934210, 1027631, 1307894, 1396780, 1868420, 2055262, 2615788, 2793560, 3269735, 3736840, 4110524, 5138155, 5231576, 6539470, 7193417, 8221048, 10276310, 13078940, 14386834, 20552620, 26157880, 28773668, 35967085, 41105240, 57547336, 71934170, 143868340, 287736680]

約数ペア:

[(1, 287736680), (2, 143868340), (4, 71934170), (5, 57547336), (7, 41105240), (8, 35967085), (10, 28773668), (11, 26157880), (14, 20552620), (20, 14386834), (22, 13078940), (28, 10276310), (35, 8221048), (40, 7193417), (44, 6539470), (55, 5231576), (56, 5138155), (70, 4110524), (77, 3736840), (88, 3269735), (103, 2793560), (110, 2615788), (140, 2055262), (154, 1868420), (206, 1396780), (220, 1307894), (280, 1027631), (308, 934210), (385, 747368), (412, 698390), (440, 653947), (515, 558712), (616, 467105), (721, 399080), (770, 373684), (824, 349195), (907, 317240), (1030, 279356), (1133, 253960), (1442, 199540), (1540, 186842), (1814, 158620), (2060, 139678), (2266, 126980), (2884, 99770), (3080, 93421), (3605, 79816), (3628, 79310), (4120, 69839), (4532, 63490), (4535, 63448), (5665, 50792), (5768, 49885), (6349, 45320), (7210, 39908), (7256, 39655), (7931, 36280), (9064, 31745), (9070, 31724), (9977, 28840), (11330, 25396), (12698, 22660), (14420, 19954), (15862, 18140)]