131244840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{121523}}^1$

素因数の和:121543

約数の個数: 64

約数和(自身を含む): 437486400

約数和(自身を除く): 306241560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 121523, 243046, 364569, 486092, 607615, 729138, 972184, 1093707, 1215230, 1458276, 1822845, 2187414, 2430460, 2916552, 3281121, 3645690, 4374828, 4860920, 5468535, 6562242, 7291380, 8749656, 10937070, 13124484, 14582760, 16405605, 21874140, 26248968, 32811210, 43748280, 65622420, 131244840]

約数ペア:

[(1, 131244840), (2, 65622420), (3, 43748280), (4, 32811210), (5, 26248968), (6, 21874140), (8, 16405605), (9, 14582760), (10, 13124484), (12, 10937070), (15, 8749656), (18, 7291380), (20, 6562242), (24, 5468535), (27, 4860920), (30, 4374828), (36, 3645690), (40, 3281121), (45, 2916552), (54, 2430460), (60, 2187414), (72, 1822845), (90, 1458276), (108, 1215230), (120, 1093707), (135, 972184), (180, 729138), (216, 607615), (270, 486092), (360, 364569), (540, 243046), (1080, 121523)]