65713840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 163248480

約数和(自身を除く): 97534640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 211, 229, 272, 340, 422, 458, 680, 844, 916, 1055, 1145, 1360, 1688, 1832, 2110, 2290, 3376, 3587, 3664, 3893, 4220, 4580, 7174, 7786, 8440, 9160, 14348, 15572, 16880, 17935, 18320, 19465, 28696, 31144, 35870, 38930, 48319, 57392, 62288, 71740, 77860, 96638, 143480, 155720, 193276, 241595, 286960, 311440, 386552, 483190, 773104, 821423, 966380, 1642846, 1932760, 3285692, 3865520, 4107115, 6571384, 8214230, 13142768, 16428460, 32856920, 65713840]

約数ペア:

[(1, 65713840), (2, 32856920), (4, 16428460), (5, 13142768), (8, 8214230), (10, 6571384), (16, 4107115), (17, 3865520), (20, 3285692), (34, 1932760), (40, 1642846), (68, 966380), (80, 821423), (85, 773104), (136, 483190), (170, 386552), (211, 311440), (229, 286960), (272, 241595), (340, 193276), (422, 155720), (458, 143480), (680, 96638), (844, 77860), (916, 71740), (1055, 62288), (1145, 57392), (1360, 48319), (1688, 38930), (1832, 35870), (2110, 31144), (2290, 28696), (3376, 19465), (3587, 18320), (3664, 17935), (3893, 16880), (4220, 15572), (4580, 14348), (7174, 9160), (7786, 8440)]