205126920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{569797}}^1$

素因数の和:569814

約数の個数: 48

約数和(自身を含む): 666663660

約数和(自身を除く): 461536740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 569797, 1139594, 1709391, 2279188, 2848985, 3418782, 4558376, 5128173, 5697970, 6837564, 8546955, 10256346, 11395940, 13675128, 17093910, 20512692, 22791880, 25640865, 34187820, 41025384, 51281730, 68375640, 102563460, 205126920]

約数ペア:

[(1, 205126920), (2, 102563460), (3, 68375640), (4, 51281730), (5, 41025384), (6, 34187820), (8, 25640865), (9, 22791880), (10, 20512692), (12, 17093910), (15, 13675128), (18, 11395940), (20, 10256346), (24, 8546955), (30, 6837564), (36, 5697970), (40, 5128173), (45, 4558376), (60, 3418782), (72, 2848985), (90, 2279188), (120, 1709391), (180, 1139594), (360, 569797)]