407286540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 1279133856

約数和(自身を除く): 871847316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 101, 129, 172, 180, 202, 215, 258, 303, 387, 404, 430, 505, 516, 521, 606, 645, 774, 860, 909, 1010, 1042, 1212, 1290, 1515, 1548, 1563, 1818, 1935, 2020, 2084, 2580, 2605, 3030, 3126, 3636, 3870, 4343, 4545, 4689, 5210, 6060, 6252, 7740, 7815, 8686, 9090, 9378, 10420, 13029, 15630, 17372, 18180, 18756, 21715, 22403, 23445, 26058, 31260, 39087, 43430, 44806, 46890, 52116, 52621, 65145, 67209, 78174, 86860, 89612, 93780, 105242, 112015, 130290, 134418, 156348, 157863, 195435, 201627, 210484, 224030, 260580, 263105, 268836, 315726, 336045, 390870, 403254, 448060, 473589, 526210, 631452, 672090, 781740, 789315, 806508, 947178, 1008135, 1052420, 1344180, 1578630, 1894356, 2016270, 2262703, 2367945, 3157260, 4032540, 4525406, 4735890, 6788109, 9050812, 9471780, 11313515, 13576218, 20364327, 22627030, 27152436, 33940545, 40728654, 45254060, 67881090, 81457308, 101821635, 135762180, 203643270, 407286540]

約数ペア:

[(1, 407286540), (2, 203643270), (3, 135762180), (4, 101821635), (5, 81457308), (6, 67881090), (9, 45254060), (10, 40728654), (12, 33940545), (15, 27152436), (18, 22627030), (20, 20364327), (30, 13576218), (36, 11313515), (43, 9471780), (45, 9050812), (60, 6788109), (86, 4735890), (90, 4525406), (101, 4032540), (129, 3157260), (172, 2367945), (180, 2262703), (202, 2016270), (215, 1894356), (258, 1578630), (303, 1344180), (387, 1052420), (404, 1008135), (430, 947178), (505, 806508), (516, 789315), (521, 781740), (606, 672090), (645, 631452), (774, 526210), (860, 473589), (909, 448060), (1010, 403254), (1042, 390870), (1212, 336045), (1290, 315726), (1515, 268836), (1548, 263105), (1563, 260580), (1818, 224030), (1935, 210484), (2020, 201627), (2084, 195435), (2580, 157863), (2605, 156348), (3030, 134418), (3126, 130290), (3636, 112015), (3870, 105242), (4343, 93780), (4545, 89612), (4689, 86860), (5210, 78174), (6060, 67209), (6252, 65145), (7740, 52621), (7815, 52116), (8686, 46890), (9090, 44806), (9378, 43430), (10420, 39087), (13029, 31260), (15630, 26058), (17372, 23445), (18180, 22403), (18756, 21715)]