80404080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 262268928

約数和(自身を除く): 181864848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 101, 107, 120, 124, 155, 186, 202, 214, 240, 248, 303, 310, 321, 372, 404, 428, 465, 496, 505, 535, 606, 620, 642, 744, 808, 856, 930, 1010, 1070, 1212, 1240, 1284, 1488, 1515, 1605, 1616, 1712, 1860, 2020, 2140, 2424, 2480, 2568, 3030, 3131, 3210, 3317, 3720, 4040, 4280, 4848, 5136, 6060, 6262, 6420, 6634, 7440, 8080, 8560, 9393, 9951, 10807, 12120, 12524, 12840, 13268, 15655, 16585, 18786, 19902, 21614, 24240, 25048, 25680, 26536, 31310, 32421, 33170, 37572, 39804, 43228, 46965, 49755, 50096, 53072, 54035, 62620, 64842, 66340, 75144, 79608, 86456, 93930, 99510, 108070, 125240, 129684, 132680, 150288, 159216, 162105, 172912, 187860, 199020, 216140, 250480, 259368, 265360, 324210, 335017, 375720, 398040, 432280, 518736, 648420, 670034, 751440, 796080, 864560, 1005051, 1296840, 1340068, 1675085, 2010102, 2593680, 2680136, 3350170, 4020204, 5025255, 5360272, 6700340, 8040408, 10050510, 13400680, 16080816, 20101020, 26801360, 40202040, 80404080]

約数ペア:

[(1, 80404080), (2, 40202040), (3, 26801360), (4, 20101020), (5, 16080816), (6, 13400680), (8, 10050510), (10, 8040408), (12, 6700340), (15, 5360272), (16, 5025255), (20, 4020204), (24, 3350170), (30, 2680136), (31, 2593680), (40, 2010102), (48, 1675085), (60, 1340068), (62, 1296840), (80, 1005051), (93, 864560), (101, 796080), (107, 751440), (120, 670034), (124, 648420), (155, 518736), (186, 432280), (202, 398040), (214, 375720), (240, 335017), (248, 324210), (303, 265360), (310, 259368), (321, 250480), (372, 216140), (404, 199020), (428, 187860), (465, 172912), (496, 162105), (505, 159216), (535, 150288), (606, 132680), (620, 129684), (642, 125240), (744, 108070), (808, 99510), (856, 93930), (930, 86456), (1010, 79608), (1070, 75144), (1212, 66340), (1240, 64842), (1284, 62620), (1488, 54035), (1515, 53072), (1605, 50096), (1616, 49755), (1712, 46965), (1860, 43228), (2020, 39804), (2140, 37572), (2424, 33170), (2480, 32421), (2568, 31310), (3030, 26536), (3131, 25680), (3210, 25048), (3317, 24240), (3720, 21614), (4040, 19902), (4280, 18786), (4848, 16585), (5136, 15655), (6060, 13268), (6262, 12840), (6420, 12524), (6634, 12120), (7440, 10807), (8080, 9951), (8560, 9393)]