81757416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 150485784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 79, 93, 104, 107, 124, 156, 158, 186, 214, 237, 248, 312, 316, 321, 372, 403, 428, 474, 632, 642, 744, 806, 856, 948, 1027, 1209, 1284, 1391, 1612, 1896, 2054, 2418, 2449, 2568, 2782, 3081, 3224, 3317, 4108, 4173, 4836, 4898, 5564, 6162, 6634, 7347, 8216, 8346, 8453, 9672, 9796, 9951, 11128, 12324, 13268, 14694, 16692, 16906, 19592, 19902, 24648, 25359, 26536, 29388, 31837, 33384, 33812, 39804, 43121, 50718, 58776, 63674, 67624, 79608, 86242, 95511, 101436, 109889, 127348, 129363, 172484, 191022, 202872, 219778, 254696, 258726, 262043, 329667, 344968, 382044, 439556, 517452, 524086, 659334, 764088, 786129, 879112, 1034904, 1048172, 1318668, 1572258, 2096344, 2637336, 3144516, 3406559, 6289032, 6813118, 10219677, 13626236, 20439354, 27252472, 40878708, 81757416]

約数ペア:

[(1, 81757416), (2, 40878708), (3, 27252472), (4, 20439354), (6, 13626236), (8, 10219677), (12, 6813118), (13, 6289032), (24, 3406559), (26, 3144516), (31, 2637336), (39, 2096344), (52, 1572258), (62, 1318668), (78, 1048172), (79, 1034904), (93, 879112), (104, 786129), (107, 764088), (124, 659334), (156, 524086), (158, 517452), (186, 439556), (214, 382044), (237, 344968), (248, 329667), (312, 262043), (316, 258726), (321, 254696), (372, 219778), (403, 202872), (428, 191022), (474, 172484), (632, 129363), (642, 127348), (744, 109889), (806, 101436), (856, 95511), (948, 86242), (1027, 79608), (1209, 67624), (1284, 63674), (1391, 58776), (1612, 50718), (1896, 43121), (2054, 39804), (2418, 33812), (2449, 33384), (2568, 31837), (2782, 29388), (3081, 26536), (3224, 25359), (3317, 24648), (4108, 19902), (4173, 19592), (4836, 16906), (4898, 16692), (5564, 14694), (6162, 13268), (6634, 12324), (7347, 11128), (8216, 9951), (8346, 9796), (8453, 9672)]