91070720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 108

約数和(自身を含む): 236774916

約数和(自身を除く): 145704196

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 421, 520, 640, 676, 832, 842, 845, 1040, 1280, 1352, 1664, 1684, 1690, 2080, 2105, 2704, 3328, 3368, 3380, 4160, 4210, 5408, 5473, 6736, 6760, 8320, 8420, 10816, 10946, 13472, 13520, 16640, 16840, 21632, 21892, 26944, 27040, 27365, 33680, 43264, 43784, 53888, 54080, 54730, 67360, 71149, 87568, 107776, 108160, 109460, 134720, 142298, 175136, 216320, 218920, 269440, 284596, 350272, 355745, 437840, 538880, 569192, 700544, 711490, 875680, 1138384, 1401088, 1422980, 1751360, 2276768, 2845960, 3502720, 4553536, 5691920, 7005440, 9107072, 11383840, 18214144, 22767680, 45535360, 91070720]

約数ペア:

[(1, 91070720), (2, 45535360), (4, 22767680), (5, 18214144), (8, 11383840), (10, 9107072), (13, 7005440), (16, 5691920), (20, 4553536), (26, 3502720), (32, 2845960), (40, 2276768), (52, 1751360), (64, 1422980), (65, 1401088), (80, 1138384), (104, 875680), (128, 711490), (130, 700544), (160, 569192), (169, 538880), (208, 437840), (256, 355745), (260, 350272), (320, 284596), (338, 269440), (416, 218920), (421, 216320), (520, 175136), (640, 142298), (676, 134720), (832, 109460), (842, 108160), (845, 107776), (1040, 87568), (1280, 71149), (1352, 67360), (1664, 54730), (1684, 54080), (1690, 53888), (2080, 43784), (2105, 43264), (2704, 33680), (3328, 27365), (3368, 27040), (3380, 26944), (4160, 21892), (4210, 21632), (5408, 16840), (5473, 16640), (6736, 13520), (6760, 13472), (8320, 10946), (8420, 10816)]