138789840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{82613}}^1$

素因数の和:82636

約数の個数: 80

約数和(自身を含む): 491718528

約数和(自身を除く): 352928688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 82613, 165226, 247839, 330452, 413065, 495678, 578291, 660904, 826130, 991356, 1156582, 1239195, 1321808, 1652260, 1734873, 1982712, 2313164, 2478390, 2891455, 3304520, 3469746, 3965424, 4626328, 4956780, 5782910, 6609040, 6939492, 8674365, 9252656, 9913560, 11565820, 13878984, 17348730, 19827120, 23131640, 27757968, 34697460, 46263280, 69394920, 138789840]

約数ペア:

[(1, 138789840), (2, 69394920), (3, 46263280), (4, 34697460), (5, 27757968), (6, 23131640), (7, 19827120), (8, 17348730), (10, 13878984), (12, 11565820), (14, 9913560), (15, 9252656), (16, 8674365), (20, 6939492), (21, 6609040), (24, 5782910), (28, 4956780), (30, 4626328), (35, 3965424), (40, 3469746), (42, 3304520), (48, 2891455), (56, 2478390), (60, 2313164), (70, 1982712), (80, 1734873), (84, 1652260), (105, 1321808), (112, 1239195), (120, 1156582), (140, 991356), (168, 826130), (210, 660904), (240, 578291), (280, 495678), (336, 413065), (420, 330452), (560, 247839), (840, 165226), (1680, 82613)]