381567680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 168

約数和(自身を含む): 1020671568

約数和(自身を除く): 639103888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 67, 74, 80, 104, 130, 134, 148, 160, 185, 208, 260, 268, 296, 320, 335, 370, 416, 481, 520, 536, 592, 670, 740, 832, 871, 962, 1040, 1072, 1184, 1340, 1369, 1480, 1742, 1924, 2080, 2144, 2368, 2405, 2479, 2680, 2738, 2960, 3484, 3848, 4160, 4288, 4355, 4810, 4958, 5360, 5476, 5920, 6845, 6968, 7696, 8710, 9620, 9916, 10720, 10952, 11840, 12395, 13690, 13936, 15392, 17420, 17797, 19240, 19832, 21440, 21904, 24790, 27380, 27872, 30784, 32227, 34840, 35594, 38480, 39664, 43808, 49580, 54760, 55744, 64454, 69680, 71188, 76960, 79328, 87616, 88985, 91723, 99160, 109520, 128908, 139360, 142376, 153920, 158656, 161135, 177970, 183446, 198320, 219040, 257816, 278720, 284752, 322270, 355940, 366892, 396640, 438080, 458615, 515632, 569504, 644540, 711880, 733784, 793280, 917230, 1031264, 1139008, 1192399, 1289080, 1423760, 1467568, 1834460, 2062528, 2384798, 2578160, 2847520, 2935136, 3668920, 4769596, 5156320, 5695040, 5870272, 5961995, 7337840, 9539192, 10312640, 11923990, 14675680, 19078384, 23847980, 29351360, 38156768, 47695960, 76313536, 95391920, 190783840, 381567680]

約数ペア:

[(1, 381567680), (2, 190783840), (4, 95391920), (5, 76313536), (8, 47695960), (10, 38156768), (13, 29351360), (16, 23847980), (20, 19078384), (26, 14675680), (32, 11923990), (37, 10312640), (40, 9539192), (52, 7337840), (64, 5961995), (65, 5870272), (67, 5695040), (74, 5156320), (80, 4769596), (104, 3668920), (130, 2935136), (134, 2847520), (148, 2578160), (160, 2384798), (185, 2062528), (208, 1834460), (260, 1467568), (268, 1423760), (296, 1289080), (320, 1192399), (335, 1139008), (370, 1031264), (416, 917230), (481, 793280), (520, 733784), (536, 711880), (592, 644540), (670, 569504), (740, 515632), (832, 458615), (871, 438080), (962, 396640), (1040, 366892), (1072, 355940), (1184, 322270), (1340, 284752), (1369, 278720), (1480, 257816), (1742, 219040), (1924, 198320), (2080, 183446), (2144, 177970), (2368, 161135), (2405, 158656), (2479, 153920), (2680, 142376), (2738, 139360), (2960, 128908), (3484, 109520), (3848, 99160), (4160, 91723), (4288, 88985), (4355, 87616), (4810, 79328), (4958, 76960), (5360, 71188), (5476, 69680), (5920, 64454), (6845, 55744), (6968, 54760), (7696, 49580), (8710, 43808), (9620, 39664), (9916, 38480), (10720, 35594), (10952, 34840), (11840, 32227), (12395, 30784), (13690, 27872), (13936, 27380), (15392, 24790), (17420, 21904), (17797, 21440), (19240, 19832)]