521168280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4905

約数の個数: 128

約数和(自身を含む): 1669939200

約数和(自身を除く): 1148770920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1740, 1798, 1860, 2697, 3480, 3596, 3720, 4495, 4831, 5394, 7192, 8990, 9662, 10788, 13485, 14493, 17980, 19324, 21576, 24155, 26970, 28986, 35960, 38648, 48310, 53940, 57972, 72465, 96620, 107880, 115944, 140099, 144930, 149761, 193240, 280198, 289860, 299522, 420297, 449283, 560396, 579720, 599044, 700495, 748805, 840594, 898566, 1120792, 1198088, 1400990, 1497610, 1681188, 1797132, 2101485, 2246415, 2801980, 2995220, 3362376, 3594264, 4202970, 4343069, 4492830, 5603960, 5990440, 8405940, 8686138, 8985660, 13029207, 16811880, 17372276, 17971320, 21715345, 26058414, 34744552, 43430690, 52116828, 65146035, 86861380, 104233656, 130292070, 173722760, 260584140, 521168280]

約数ペア:

[(1, 521168280), (2, 260584140), (3, 173722760), (4, 130292070), (5, 104233656), (6, 86861380), (8, 65146035), (10, 52116828), (12, 43430690), (15, 34744552), (20, 26058414), (24, 21715345), (29, 17971320), (30, 17372276), (31, 16811880), (40, 13029207), (58, 8985660), (60, 8686138), (62, 8405940), (87, 5990440), (93, 5603960), (116, 4492830), (120, 4343069), (124, 4202970), (145, 3594264), (155, 3362376), (174, 2995220), (186, 2801980), (232, 2246415), (248, 2101485), (290, 1797132), (310, 1681188), (348, 1497610), (372, 1400990), (435, 1198088), (465, 1120792), (580, 898566), (620, 840594), (696, 748805), (744, 700495), (870, 599044), (899, 579720), (930, 560396), (1160, 449283), (1240, 420297), (1740, 299522), (1798, 289860), (1860, 280198), (2697, 193240), (3480, 149761), (3596, 144930), (3720, 140099), (4495, 115944), (4831, 107880), (5394, 96620), (7192, 72465), (8990, 57972), (9662, 53940), (10788, 48310), (13485, 38648), (14493, 35960), (17980, 28986), (19324, 26970), (21576, 24155)]