15990120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{44417}}^1$

素因数の和:44434

約数の個数: 48

約数和(自身を含む): 51969060

約数和(自身を除く): 35978940

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, 44417, 88834, 133251, 177668, 222085, 266502, 355336, 399753, 444170, 533004, 666255, 799506, 888340, 1066008, 1332510, 1599012, 1776680, 1998765, 2665020, 3198024, 3997530, 5330040, 7995060, 15990120]

約数ペア:

[(1, 15990120), (2, 7995060), (3, 5330040), (4, 3997530), (5, 3198024), (6, 2665020), (8, 1998765), (9, 1776680), (10, 1599012), (12, 1332510), (15, 1066008), (18, 888340), (20, 799506), (24, 666255), (30, 533004), (36, 444170), (40, 399753), (45, 355336), (60, 266502), (72, 222085), (90, 177668), (120, 133251), (180, 88834), (360, 44417)]