159780280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:601

約数の個数: 128

約数和(自身を含む): 426202560

約数和(自身を除く): 266422280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 110, 136, 164, 170, 187, 205, 220, 328, 340, 374, 410, 440, 451, 521, 680, 697, 748, 820, 902, 935, 1042, 1394, 1496, 1640, 1804, 1870, 2084, 2255, 2605, 2788, 3485, 3608, 3740, 4168, 4510, 5210, 5576, 5731, 6970, 7480, 7667, 8857, 9020, 10420, 11462, 13940, 15334, 17714, 18040, 20840, 21361, 22924, 27880, 28655, 30668, 35428, 38335, 42722, 44285, 45848, 57310, 61336, 70856, 76670, 85444, 88570, 97427, 106805, 114620, 153340, 170888, 177140, 194854, 213610, 229240, 234971, 306680, 354280, 363137, 389708, 427220, 469942, 487135, 726274, 779416, 854440, 939884, 974270, 1174855, 1452548, 1815685, 1879768, 1948540, 2349710, 2905096, 3631370, 3897080, 3994507, 4699420, 7262740, 7989014, 9398840, 14525480, 15978028, 19972535, 31956056, 39945070, 79890140, 159780280]

約数ペア:

[(1, 159780280), (2, 79890140), (4, 39945070), (5, 31956056), (8, 19972535), (10, 15978028), (11, 14525480), (17, 9398840), (20, 7989014), (22, 7262740), (34, 4699420), (40, 3994507), (41, 3897080), (44, 3631370), (55, 2905096), (68, 2349710), (82, 1948540), (85, 1879768), (88, 1815685), (110, 1452548), (136, 1174855), (164, 974270), (170, 939884), (187, 854440), (205, 779416), (220, 726274), (328, 487135), (340, 469942), (374, 427220), (410, 389708), (440, 363137), (451, 354280), (521, 306680), (680, 234971), (697, 229240), (748, 213610), (820, 194854), (902, 177140), (935, 170888), (1042, 153340), (1394, 114620), (1496, 106805), (1640, 97427), (1804, 88570), (1870, 85444), (2084, 76670), (2255, 70856), (2605, 61336), (2788, 57310), (3485, 45848), (3608, 44285), (3740, 42722), (4168, 38335), (4510, 35428), (5210, 30668), (5576, 28655), (5731, 27880), (6970, 22924), (7480, 21361), (7667, 20840), (8857, 18040), (9020, 17714), (10420, 15334), (11462, 13940)]