90109240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1$

素因数の和:1336

約数の個数: 64

約数和(自身を含む): 219996000

約数和(自身を除く): 129886760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1163, 1192, 1490, 1937, 2326, 2980, 3874, 4652, 5815, 5960, 7748, 9304, 9685, 11630, 15119, 15496, 19370, 23260, 30238, 38740, 46520, 60476, 75595, 77480, 120952, 151190, 173287, 302380, 346574, 604760, 693148, 866435, 1386296, 1732870, 2252731, 3465740, 4505462, 6931480, 9010924, 11263655, 18021848, 22527310, 45054620, 90109240]

約数ペア:

[(1, 90109240), (2, 45054620), (4, 22527310), (5, 18021848), (8, 11263655), (10, 9010924), (13, 6931480), (20, 4505462), (26, 3465740), (40, 2252731), (52, 1732870), (65, 1386296), (104, 866435), (130, 693148), (149, 604760), (260, 346574), (298, 302380), (520, 173287), (596, 151190), (745, 120952), (1163, 77480), (1192, 75595), (1490, 60476), (1937, 46520), (2326, 38740), (2980, 30238), (3874, 23260), (4652, 19370), (5815, 15496), (5960, 15119), (7748, 11630), (9304, 9685)]