138786840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385519}}^1$

素因数の和:385536

約数の個数: 48

約数和(自身を含む): 451058400

約数和(自身を除く): 312271560

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, 385519, 771038, 1156557, 1542076, 1927595, 2313114, 3084152, 3469671, 3855190, 4626228, 5782785, 6939342, 7710380, 9252456, 11565570, 13878684, 15420760, 17348355, 23131140, 27757368, 34696710, 46262280, 69393420, 138786840]

約数ペア:

[(1, 138786840), (2, 69393420), (3, 46262280), (4, 34696710), (5, 27757368), (6, 23131140), (8, 17348355), (9, 15420760), (10, 13878684), (12, 11565570), (15, 9252456), (18, 7710380), (20, 6939342), (24, 5782785), (30, 4626228), (36, 3855190), (40, 3469671), (45, 3084152), (60, 2313114), (72, 1927595), (90, 1542076), (120, 1156557), (180, 771038), (360, 385519)]