81970380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{50599}}^1$

素因数の和:50620

約数の個数: 60

約数和(自身を含む): 257149200

約数和(自身を除く): 175178820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 50599, 101198, 151797, 202396, 252995, 303594, 455391, 505990, 607188, 758985, 910782, 1011980, 1366173, 1517970, 1821564, 2276955, 2732346, 3035940, 4098519, 4553910, 5464692, 6830865, 8197038, 9107820, 13661730, 16394076, 20492595, 27323460, 40985190, 81970380]

約数ペア:

[(1, 81970380), (2, 40985190), (3, 27323460), (4, 20492595), (5, 16394076), (6, 13661730), (9, 9107820), (10, 8197038), (12, 6830865), (15, 5464692), (18, 4553910), (20, 4098519), (27, 3035940), (30, 2732346), (36, 2276955), (45, 1821564), (54, 1517970), (60, 1366173), (81, 1011980), (90, 910782), (108, 758985), (135, 607188), (162, 505990), (180, 455391), (270, 303594), (324, 252995), (405, 202396), (540, 151797), (810, 101198), (1620, 50599)]