531281960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 1394547840

約数和(自身を除く): 863265880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 440, 484, 587, 605, 680, 748, 935, 968, 1174, 1210, 1331, 1496, 1870, 2057, 2348, 2420, 2662, 2935, 3740, 4114, 4696, 4840, 5324, 5870, 6457, 6655, 7480, 8228, 9979, 10285, 10648, 11740, 12914, 13310, 16456, 19958, 20570, 22627, 23480, 25828, 26620, 32285, 39916, 41140, 45254, 49895, 51656, 53240, 64570, 71027, 79832, 82280, 90508, 99790, 109769, 113135, 129140, 142054, 181016, 199580, 219538, 226270, 258280, 284108, 355135, 399160, 439076, 452540, 548845, 568216, 710270, 781297, 878152, 905080, 1097690, 1207459, 1420540, 1562594, 2195380, 2414918, 2841080, 3125188, 3906485, 4390760, 4829836, 6037295, 6250376, 7812970, 9659672, 12074590, 13282049, 15625940, 24149180, 26564098, 31251880, 48298360, 53128196, 66410245, 106256392, 132820490, 265640980, 531281960]

約数ペア:

[(1, 531281960), (2, 265640980), (4, 132820490), (5, 106256392), (8, 66410245), (10, 53128196), (11, 48298360), (17, 31251880), (20, 26564098), (22, 24149180), (34, 15625940), (40, 13282049), (44, 12074590), (55, 9659672), (68, 7812970), (85, 6250376), (88, 6037295), (110, 4829836), (121, 4390760), (136, 3906485), (170, 3125188), (187, 2841080), (220, 2414918), (242, 2195380), (340, 1562594), (374, 1420540), (440, 1207459), (484, 1097690), (587, 905080), (605, 878152), (680, 781297), (748, 710270), (935, 568216), (968, 548845), (1174, 452540), (1210, 439076), (1331, 399160), (1496, 355135), (1870, 284108), (2057, 258280), (2348, 226270), (2420, 219538), (2662, 199580), (2935, 181016), (3740, 142054), (4114, 129140), (4696, 113135), (4840, 109769), (5324, 99790), (5870, 90508), (6457, 82280), (6655, 79832), (7480, 71027), (8228, 64570), (9979, 53240), (10285, 51656), (10648, 49895), (11740, 45254), (12914, 41140), (13310, 39916), (16456, 32285), (19958, 26620), (20570, 25828), (22627, 23480)]