1811680

素因数分解:

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

素因数の和:108

約数の個数: 72

約数和(自身を含む): 4703832

約数和(自身を除く): 2892152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 67, 80, 104, 130, 134, 160, 169, 208, 260, 268, 335, 338, 416, 520, 536, 670, 676, 845, 871, 1040, 1072, 1340, 1352, 1690, 1742, 2080, 2144, 2680, 2704, 3380, 3484, 4355, 5360, 5408, 6760, 6968, 8710, 10720, 11323, 13520, 13936, 17420, 22646, 27040, 27872, 34840, 45292, 56615, 69680, 90584, 113230, 139360, 181168, 226460, 362336, 452920, 905840, 1811680]

約数ペア:

[(1, 1811680), (2, 905840), (4, 452920), (5, 362336), (8, 226460), (10, 181168), (13, 139360), (16, 113230), (20, 90584), (26, 69680), (32, 56615), (40, 45292), (52, 34840), (65, 27872), (67, 27040), (80, 22646), (104, 17420), (130, 13936), (134, 13520), (160, 11323), (169, 10720), (208, 8710), (260, 6968), (268, 6760), (335, 5408), (338, 5360), (416, 4355), (520, 3484), (536, 3380), (670, 2704), (676, 2680), (845, 2144), (871, 2080), (1040, 1742), (1072, 1690), (1340, 1352)]