12881520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17891}}^1$

素因数の和:17910

約数の個数: 60

約数和(自身を含む): 43262856

約数和(自身を除く): 30381336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 17891, 35782, 53673, 71564, 89455, 107346, 143128, 161019, 178910, 214692, 268365, 286256, 322038, 357820, 429384, 536730, 644076, 715640, 805095, 858768, 1073460, 1288152, 1431280, 1610190, 2146920, 2576304, 3220380, 4293840, 6440760, 12881520]

約数ペア:

[(1, 12881520), (2, 6440760), (3, 4293840), (4, 3220380), (5, 2576304), (6, 2146920), (8, 1610190), (9, 1431280), (10, 1288152), (12, 1073460), (15, 858768), (16, 805095), (18, 715640), (20, 644076), (24, 536730), (30, 429384), (36, 357820), (40, 322038), (45, 286256), (48, 268365), (60, 214692), (72, 178910), (80, 161019), (90, 143128), (120, 107346), (144, 89455), (180, 71564), (240, 53673), (360, 35782), (720, 17891)]