30717440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 120

約数和(自身を含む): 80874288

約数和(自身を除く): 50156848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 71, 80, 104, 128, 130, 142, 160, 169, 208, 256, 260, 284, 320, 338, 355, 416, 512, 520, 568, 640, 676, 710, 832, 845, 923, 1040, 1136, 1280, 1352, 1420, 1664, 1690, 1846, 2080, 2272, 2560, 2704, 2840, 3328, 3380, 3692, 4160, 4544, 4615, 5408, 5680, 6656, 6760, 7384, 8320, 9088, 9230, 10816, 11360, 11999, 13520, 14768, 16640, 18176, 18460, 21632, 22720, 23998, 27040, 29536, 33280, 36352, 36920, 43264, 45440, 47996, 54080, 59072, 59995, 73840, 86528, 90880, 95992, 108160, 118144, 119990, 147680, 181760, 191984, 216320, 236288, 239980, 295360, 383968, 432640, 472576, 479960, 590720, 767936, 959920, 1181440, 1535872, 1919840, 2362880, 3071744, 3839680, 6143488, 7679360, 15358720, 30717440]

約数ペア:

[(1, 30717440), (2, 15358720), (4, 7679360), (5, 6143488), (8, 3839680), (10, 3071744), (13, 2362880), (16, 1919840), (20, 1535872), (26, 1181440), (32, 959920), (40, 767936), (52, 590720), (64, 479960), (65, 472576), (71, 432640), (80, 383968), (104, 295360), (128, 239980), (130, 236288), (142, 216320), (160, 191984), (169, 181760), (208, 147680), (256, 119990), (260, 118144), (284, 108160), (320, 95992), (338, 90880), (355, 86528), (416, 73840), (512, 59995), (520, 59072), (568, 54080), (640, 47996), (676, 45440), (710, 43264), (832, 36920), (845, 36352), (923, 33280), (1040, 29536), (1136, 27040), (1280, 23998), (1352, 22720), (1420, 21632), (1664, 18460), (1690, 18176), (1846, 16640), (2080, 14768), (2272, 13520), (2560, 11999), (2704, 11360), (2840, 10816), (3328, 9230), (3380, 9088), (3692, 8320), (4160, 7384), (4544, 6760), (4615, 6656), (5408, 5680)]