64645440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67339}}^1$

素因数の和:67359

約数の個数: 56

約数和(自身を含む): 205252320

約数和(自身を除く): 140606880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 67339, 134678, 202017, 269356, 336695, 404034, 538712, 673390, 808068, 1010085, 1077424, 1346780, 1616136, 2020170, 2154848, 2693560, 3232272, 4040340, 4309696, 5387120, 6464544, 8080680, 10774240, 12929088, 16161360, 21548480, 32322720, 64645440]

約数ペア:

[(1, 64645440), (2, 32322720), (3, 21548480), (4, 16161360), (5, 12929088), (6, 10774240), (8, 8080680), (10, 6464544), (12, 5387120), (15, 4309696), (16, 4040340), (20, 3232272), (24, 2693560), (30, 2154848), (32, 2020170), (40, 1616136), (48, 1346780), (60, 1077424), (64, 1010085), (80, 808068), (96, 673390), (120, 538712), (160, 404034), (192, 336695), (240, 269356), (320, 202017), (480, 134678), (960, 67339)]