253310720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1171}}^1$

素因数の和:1218

約数の個数: 108

約数和(自身を含む): 657583416

約数和(自身を除く): 404272696

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, 520, 640, 676, 832, 845, 1040, 1171, 1280, 1352, 1664, 1690, 2080, 2342, 2704, 3328, 3380, 4160, 4684, 5408, 5855, 6760, 8320, 9368, 10816, 11710, 13520, 15223, 16640, 18736, 21632, 23420, 27040, 30446, 37472, 43264, 46840, 54080, 60892, 74944, 76115, 93680, 108160, 121784, 149888, 152230, 187360, 197899, 216320, 243568, 299776, 304460, 374720, 395798, 487136, 608920, 749440, 791596, 974272, 989495, 1217840, 1498880, 1583192, 1948544, 1978990, 2435680, 3166384, 3897088, 3957980, 4871360, 6332768, 7915960, 9742720, 12665536, 15831920, 19485440, 25331072, 31663840, 50662144, 63327680, 126655360, 253310720]

約数ペア:

[(1, 253310720), (2, 126655360), (4, 63327680), (5, 50662144), (8, 31663840), (10, 25331072), (13, 19485440), (16, 15831920), (20, 12665536), (26, 9742720), (32, 7915960), (40, 6332768), (52, 4871360), (64, 3957980), (65, 3897088), (80, 3166384), (104, 2435680), (128, 1978990), (130, 1948544), (160, 1583192), (169, 1498880), (208, 1217840), (256, 989495), (260, 974272), (320, 791596), (338, 749440), (416, 608920), (520, 487136), (640, 395798), (676, 374720), (832, 304460), (845, 299776), (1040, 243568), (1171, 216320), (1280, 197899), (1352, 187360), (1664, 152230), (1690, 149888), (2080, 121784), (2342, 108160), (2704, 93680), (3328, 76115), (3380, 74944), (4160, 60892), (4684, 54080), (5408, 46840), (5855, 43264), (6760, 37472), (8320, 30446), (9368, 27040), (10816, 23420), (11710, 21632), (13520, 18736), (15223, 16640)]