81084120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51977}}^1$

素因数の和:52004

約数の個数: 64

約数和(自身を含む): 261969120

約数和(自身を除く): 180885000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51977, 103954, 155931, 207908, 259885, 311862, 415816, 519770, 623724, 675701, 779655, 1039540, 1247448, 1351402, 1559310, 2027103, 2079080, 2702804, 3118620, 3378505, 4054206, 5405608, 6237240, 6757010, 8108412, 10135515, 13514020, 16216824, 20271030, 27028040, 40542060, 81084120]

約数ペア:

[(1, 81084120), (2, 40542060), (3, 27028040), (4, 20271030), (5, 16216824), (6, 13514020), (8, 10135515), (10, 8108412), (12, 6757010), (13, 6237240), (15, 5405608), (20, 4054206), (24, 3378505), (26, 3118620), (30, 2702804), (39, 2079080), (40, 2027103), (52, 1559310), (60, 1351402), (65, 1247448), (78, 1039540), (104, 779655), (120, 675701), (130, 623724), (156, 519770), (195, 415816), (260, 311862), (312, 259885), (390, 207908), (520, 155931), (780, 103954), (1560, 51977)]