81692640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56731}}^1$

素因数の和:56752

約数の個数: 72

約数和(自身を含む): 278781048

約数和(自身を除く): 197088408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56731, 113462, 170193, 226924, 283655, 340386, 453848, 510579, 567310, 680772, 850965, 907696, 1021158, 1134620, 1361544, 1701930, 1815392, 2042316, 2269240, 2552895, 2723088, 3403860, 4084632, 4538480, 5105790, 5446176, 6807720, 8169264, 9076960, 10211580, 13615440, 16338528, 20423160, 27230880, 40846320, 81692640]

約数ペア:

[(1, 81692640), (2, 40846320), (3, 27230880), (4, 20423160), (5, 16338528), (6, 13615440), (8, 10211580), (9, 9076960), (10, 8169264), (12, 6807720), (15, 5446176), (16, 5105790), (18, 4538480), (20, 4084632), (24, 3403860), (30, 2723088), (32, 2552895), (36, 2269240), (40, 2042316), (45, 1815392), (48, 1701930), (60, 1361544), (72, 1134620), (80, 1021158), (90, 907696), (96, 850965), (120, 680772), (144, 567310), (160, 510579), (180, 453848), (240, 340386), (288, 283655), (360, 226924), (480, 170193), (720, 113462), (1440, 56731)]