68981520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1459}}^1$

素因数の和:1672

約数の個数: 80

約数和(自身を含む): 215075520

約数和(自身を除く): 146094000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1459, 1576, 1970, 2364, 2918, 2955, 3152, 3940, 4377, 4728, 5836, 5910, 7295, 7880, 8754, 9456, 11672, 11820, 14590, 15760, 17508, 21885, 23344, 23640, 29180, 35016, 43770, 47280, 58360, 70032, 87540, 116720, 175080, 287423, 350160, 574846, 862269, 1149692, 1437115, 1724538, 2299384, 2874230, 3449076, 4311345, 4598768, 5748460, 6898152, 8622690, 11496920, 13796304, 17245380, 22993840, 34490760, 68981520]

約数ペア:

[(1, 68981520), (2, 34490760), (3, 22993840), (4, 17245380), (5, 13796304), (6, 11496920), (8, 8622690), (10, 6898152), (12, 5748460), (15, 4598768), (16, 4311345), (20, 3449076), (24, 2874230), (30, 2299384), (40, 1724538), (48, 1437115), (60, 1149692), (80, 862269), (120, 574846), (197, 350160), (240, 287423), (394, 175080), (591, 116720), (788, 87540), (985, 70032), (1182, 58360), (1459, 47280), (1576, 43770), (1970, 35016), (2364, 29180), (2918, 23640), (2955, 23344), (3152, 21885), (3940, 17508), (4377, 15760), (4728, 14590), (5836, 11820), (5910, 11672), (7295, 9456), (7880, 8754)]