172281720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110437}}^1$

素因数の和:110464

約数の個数: 64

約数和(自身を含む): 556607520

約数和(自身を除く): 384325800

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, 110437, 220874, 331311, 441748, 552185, 662622, 883496, 1104370, 1325244, 1435681, 1656555, 2208740, 2650488, 2871362, 3313110, 4307043, 4417480, 5742724, 6626220, 7178405, 8614086, 11485448, 13252440, 14356810, 17228172, 21535215, 28713620, 34456344, 43070430, 57427240, 86140860, 172281720]

約数ペア:

[(1, 172281720), (2, 86140860), (3, 57427240), (4, 43070430), (5, 34456344), (6, 28713620), (8, 21535215), (10, 17228172), (12, 14356810), (13, 13252440), (15, 11485448), (20, 8614086), (24, 7178405), (26, 6626220), (30, 5742724), (39, 4417480), (40, 4307043), (52, 3313110), (60, 2871362), (65, 2650488), (78, 2208740), (104, 1656555), (120, 1435681), (130, 1325244), (156, 1104370), (195, 883496), (260, 662622), (312, 552185), (390, 441748), (520, 331311), (780, 220874), (1560, 110437)]