72385680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1531}}^1$

素因数の和:1744

約数の個数: 80

約数和(自身を含む): 225681984

約数和(自身を除く): 153296304

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, 1531, 1576, 1970, 2364, 2955, 3062, 3152, 3940, 4593, 4728, 5910, 6124, 7655, 7880, 9186, 9456, 11820, 12248, 15310, 15760, 18372, 22965, 23640, 24496, 30620, 36744, 45930, 47280, 61240, 73488, 91860, 122480, 183720, 301607, 367440, 603214, 904821, 1206428, 1508035, 1809642, 2412856, 3016070, 3619284, 4524105, 4825712, 6032140, 7238568, 9048210, 12064280, 14477136, 18096420, 24128560, 36192840, 72385680]

約数ペア:

[(1, 72385680), (2, 36192840), (3, 24128560), (4, 18096420), (5, 14477136), (6, 12064280), (8, 9048210), (10, 7238568), (12, 6032140), (15, 4825712), (16, 4524105), (20, 3619284), (24, 3016070), (30, 2412856), (40, 1809642), (48, 1508035), (60, 1206428), (80, 904821), (120, 603214), (197, 367440), (240, 301607), (394, 183720), (591, 122480), (788, 91860), (985, 73488), (1182, 61240), (1531, 47280), (1576, 45930), (1970, 36744), (2364, 30620), (2955, 24496), (3062, 23640), (3152, 22965), (3940, 18372), (4593, 15760), (4728, 15310), (5910, 12248), (6124, 11820), (7655, 9456), (7880, 9186)]