67309840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 171457776

約数和(自身を除く): 104147936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1061, 1220, 1586, 2122, 2440, 3172, 3965, 4244, 4880, 5305, 6344, 7930, 8488, 10610, 12688, 13793, 15860, 16976, 21220, 27586, 31720, 42440, 55172, 63440, 64721, 68965, 84880, 110344, 129442, 137930, 220688, 258884, 275860, 323605, 517768, 551720, 647210, 841373, 1035536, 1103440, 1294420, 1682746, 2588840, 3365492, 4206865, 5177680, 6730984, 8413730, 13461968, 16827460, 33654920, 67309840]

約数ペア:

[(1, 67309840), (2, 33654920), (4, 16827460), (5, 13461968), (8, 8413730), (10, 6730984), (13, 5177680), (16, 4206865), (20, 3365492), (26, 2588840), (40, 1682746), (52, 1294420), (61, 1103440), (65, 1035536), (80, 841373), (104, 647210), (122, 551720), (130, 517768), (208, 323605), (244, 275860), (260, 258884), (305, 220688), (488, 137930), (520, 129442), (610, 110344), (793, 84880), (976, 68965), (1040, 64721), (1061, 63440), (1220, 55172), (1586, 42440), (2122, 31720), (2440, 27586), (3172, 21220), (3965, 16976), (4244, 15860), (4880, 13793), (5305, 12688), (6344, 10610), (7930, 8488)]