65530160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 157489920

約数和(自身を除く): 91959760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 83, 139, 142, 166, 278, 284, 332, 355, 415, 556, 568, 664, 695, 710, 830, 1112, 1136, 1328, 1390, 1420, 1660, 2224, 2780, 2840, 3320, 5560, 5680, 5893, 6640, 9869, 11120, 11537, 11786, 19738, 23074, 23572, 29465, 39476, 46148, 47144, 49345, 57685, 58930, 78952, 92296, 94288, 98690, 115370, 117860, 157904, 184592, 197380, 230740, 235720, 394760, 461480, 471440, 789520, 819127, 922960, 1638254, 3276508, 4095635, 6553016, 8191270, 13106032, 16382540, 32765080, 65530160]

約数ペア:

[(1, 65530160), (2, 32765080), (4, 16382540), (5, 13106032), (8, 8191270), (10, 6553016), (16, 4095635), (20, 3276508), (40, 1638254), (71, 922960), (80, 819127), (83, 789520), (139, 471440), (142, 461480), (166, 394760), (278, 235720), (284, 230740), (332, 197380), (355, 184592), (415, 157904), (556, 117860), (568, 115370), (664, 98690), (695, 94288), (710, 92296), (830, 78952), (1112, 58930), (1136, 57685), (1328, 49345), (1390, 47144), (1420, 46148), (1660, 39476), (2224, 29465), (2780, 23572), (2840, 23074), (3320, 19738), (5560, 11786), (5680, 11537), (5893, 11120), (6640, 9869)]