15358720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 108

約数和(自身を含む): 40397616

約数和(自身を除く): 25038896

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, 520, 568, 640, 676, 710, 832, 845, 923, 1040, 1136, 1280, 1352, 1420, 1664, 1690, 1846, 2080, 2272, 2704, 2840, 3328, 3380, 3692, 4160, 4544, 4615, 5408, 5680, 6760, 7384, 8320, 9088, 9230, 10816, 11360, 11999, 13520, 14768, 16640, 18176, 18460, 21632, 22720, 23998, 27040, 29536, 36920, 43264, 45440, 47996, 54080, 59072, 59995, 73840, 90880, 95992, 108160, 118144, 119990, 147680, 191984, 216320, 236288, 239980, 295360, 383968, 479960, 590720, 767936, 959920, 1181440, 1535872, 1919840, 3071744, 3839680, 7679360, 15358720]

約数ペア:

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