128788380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 240

約数和(自身を含む): 474699456

約数和(自身を除く): 345911076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 81, 82, 84, 90, 105, 108, 123, 126, 135, 140, 162, 164, 180, 189, 205, 210, 246, 252, 270, 277, 287, 315, 324, 369, 378, 405, 410, 420, 492, 540, 554, 567, 574, 615, 630, 738, 756, 810, 820, 831, 861, 945, 1107, 1108, 1134, 1148, 1230, 1260, 1385, 1435, 1476, 1620, 1662, 1722, 1845, 1890, 1939, 2214, 2268, 2460, 2493, 2583, 2770, 2835, 2870, 3321, 3324, 3444, 3690, 3780, 3878, 4155, 4305, 4428, 4986, 5166, 5535, 5540, 5670, 5740, 5817, 6642, 7380, 7479, 7749, 7756, 8310, 8610, 9695, 9972, 10332, 11070, 11340, 11357, 11634, 12465, 12915, 13284, 14958, 15498, 16605, 16620, 17220, 17451, 19390, 22140, 22437, 22714, 23247, 23268, 24930, 25830, 29085, 29916, 30996, 33210, 34071, 34902, 37395, 38745, 38780, 44874, 45428, 46494, 49860, 51660, 52353, 56785, 58170, 66420, 68142, 69804, 74790, 77490, 79499, 87255, 89748, 92988, 102213, 104706, 112185, 113570, 116235, 116340, 136284, 149580, 154980, 157059, 158998, 170355, 174510, 204426, 209412, 224370, 227140, 232470, 238497, 261765, 306639, 314118, 317996, 340710, 349020, 397495, 408852, 448740, 464940, 476994, 511065, 523530, 613278, 628236, 681420, 715491, 785295, 794990, 919917, 953988, 1022130, 1047060, 1192485, 1226556, 1430982, 1533195, 1570590, 1589980, 1839834, 2044260, 2146473, 2384970, 2861964, 3066390, 3141180, 3577455, 3679668, 4292946, 4599585, 4769940, 6132780, 6439419, 7154910, 8585892, 9199170, 10732365, 12878838, 14309820, 18398340, 21464730, 25757676, 32197095, 42929460, 64394190, 128788380]

約数ペア:

[(1, 128788380), (2, 64394190), (3, 42929460), (4, 32197095), (5, 25757676), (6, 21464730), (7, 18398340), (9, 14309820), (10, 12878838), (12, 10732365), (14, 9199170), (15, 8585892), (18, 7154910), (20, 6439419), (21, 6132780), (27, 4769940), (28, 4599585), (30, 4292946), (35, 3679668), (36, 3577455), (41, 3141180), (42, 3066390), (45, 2861964), (54, 2384970), (60, 2146473), (63, 2044260), (70, 1839834), (81, 1589980), (82, 1570590), (84, 1533195), (90, 1430982), (105, 1226556), (108, 1192485), (123, 1047060), (126, 1022130), (135, 953988), (140, 919917), (162, 794990), (164, 785295), (180, 715491), (189, 681420), (205, 628236), (210, 613278), (246, 523530), (252, 511065), (270, 476994), (277, 464940), (287, 448740), (315, 408852), (324, 397495), (369, 349020), (378, 340710), (405, 317996), (410, 314118), (420, 306639), (492, 261765), (540, 238497), (554, 232470), (567, 227140), (574, 224370), (615, 209412), (630, 204426), (738, 174510), (756, 170355), (810, 158998), (820, 157059), (831, 154980), (861, 149580), (945, 136284), (1107, 116340), (1108, 116235), (1134, 113570), (1148, 112185), (1230, 104706), (1260, 102213), (1385, 92988), (1435, 89748), (1476, 87255), (1620, 79499), (1662, 77490), (1722, 74790), (1845, 69804), (1890, 68142), (1939, 66420), (2214, 58170), (2268, 56785), (2460, 52353), (2493, 51660), (2583, 49860), (2770, 46494), (2835, 45428), (2870, 44874), (3321, 38780), (3324, 38745), (3444, 37395), (3690, 34902), (3780, 34071), (3878, 33210), (4155, 30996), (4305, 29916), (4428, 29085), (4986, 25830), (5166, 24930), (5535, 23268), (5540, 23247), (5670, 22714), (5740, 22437), (5817, 22140), (6642, 19390), (7380, 17451), (7479, 17220), (7749, 16620), (7756, 16605), (8310, 15498), (8610, 14958), (9695, 13284), (9972, 12915), (10332, 12465), (11070, 11634), (11340, 11357)]