278328120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2609}}^1$

素因数の和:2757

約数の個数: 128

約数和(自身を含む): 962150400

約数和(自身を除く): 683822280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 2540, 2609, 2667, 3048, 3556, 3810, 4445, 5080, 5218, 5334, 7112, 7620, 7827, 8890, 10436, 10668, 13045, 13335, 15240, 15654, 17780, 18263, 20872, 21336, 26090, 26670, 31308, 35560, 36526, 39135, 52180, 53340, 54789, 62616, 73052, 78270, 91315, 104360, 106680, 109578, 146104, 156540, 182630, 219156, 273945, 313080, 331343, 365260, 438312, 547890, 662686, 730520, 994029, 1095780, 1325372, 1656715, 1988058, 2191560, 2319401, 2650744, 3313430, 3976116, 4638802, 4970145, 6626860, 6958203, 7952232, 9277604, 9940290, 11597005, 13253720, 13916406, 18555208, 19880580, 23194010, 27832812, 34791015, 39761160, 46388020, 55665624, 69582030, 92776040, 139164060, 278328120]

約数ペア:

[(1, 278328120), (2, 139164060), (3, 92776040), (4, 69582030), (5, 55665624), (6, 46388020), (7, 39761160), (8, 34791015), (10, 27832812), (12, 23194010), (14, 19880580), (15, 18555208), (20, 13916406), (21, 13253720), (24, 11597005), (28, 9940290), (30, 9277604), (35, 7952232), (40, 6958203), (42, 6626860), (56, 4970145), (60, 4638802), (70, 3976116), (84, 3313430), (105, 2650744), (120, 2319401), (127, 2191560), (140, 1988058), (168, 1656715), (210, 1325372), (254, 1095780), (280, 994029), (381, 730520), (420, 662686), (508, 547890), (635, 438312), (762, 365260), (840, 331343), (889, 313080), (1016, 273945), (1270, 219156), (1524, 182630), (1778, 156540), (1905, 146104), (2540, 109578), (2609, 106680), (2667, 104360), (3048, 91315), (3556, 78270), (3810, 73052), (4445, 62616), (5080, 54789), (5218, 53340), (5334, 52180), (7112, 39135), (7620, 36526), (7827, 35560), (8890, 31308), (10436, 26670), (10668, 26090), (13045, 21336), (13335, 20872), (15240, 18263), (15654, 17780)]