138939120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192971}}^1$

素因数の和:192990

約数の個数: 60

約数和(自身を含む): 466606296

約数和(自身を除く): 327667176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192971, 385942, 578913, 771884, 964855, 1157826, 1543768, 1736739, 1929710, 2315652, 2894565, 3087536, 3473478, 3859420, 4631304, 5789130, 6946956, 7718840, 8683695, 9262608, 11578260, 13893912, 15437680, 17367390, 23156520, 27787824, 34734780, 46313040, 69469560, 138939120]

約数ペア:

[(1, 138939120), (2, 69469560), (3, 46313040), (4, 34734780), (5, 27787824), (6, 23156520), (8, 17367390), (9, 15437680), (10, 13893912), (12, 11578260), (15, 9262608), (16, 8683695), (18, 7718840), (20, 6946956), (24, 5789130), (30, 4631304), (36, 3859420), (40, 3473478), (45, 3087536), (48, 2894565), (60, 2315652), (72, 1929710), (80, 1736739), (90, 1543768), (120, 1157826), (144, 964855), (180, 771884), (240, 578913), (360, 385942), (720, 192971)]