628491960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{193979}}^1$

素因数の和:194002

約数の個数: 80

約数和(自身を含む): 2112442200

約数和(自身を除く): 1483950240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 193979, 387958, 581937, 775916, 969895, 1163874, 1551832, 1745811, 1939790, 2327748, 2909685, 3491622, 3879580, 4655496, 5237433, 5819370, 6983244, 7759160, 8729055, 10474866, 11638740, 13966488, 15712299, 17458110, 20949732, 23277480, 26187165, 31424598, 34916220, 41899464, 52374330, 62849196, 69832440, 78561495, 104748660, 125698392, 157122990, 209497320, 314245980, 628491960]

約数ペア:

[(1, 628491960), (2, 314245980), (3, 209497320), (4, 157122990), (5, 125698392), (6, 104748660), (8, 78561495), (9, 69832440), (10, 62849196), (12, 52374330), (15, 41899464), (18, 34916220), (20, 31424598), (24, 26187165), (27, 23277480), (30, 20949732), (36, 17458110), (40, 15712299), (45, 13966488), (54, 11638740), (60, 10474866), (72, 8729055), (81, 7759160), (90, 6983244), (108, 5819370), (120, 5237433), (135, 4655496), (162, 3879580), (180, 3491622), (216, 2909685), (270, 2327748), (324, 1939790), (360, 1745811), (405, 1551832), (540, 1163874), (648, 969895), (810, 775916), (1080, 581937), (1620, 387958), (3240, 193979)]