8661720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 28512000

約数和(自身を除く): 19850280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 131, 145, 152, 174, 190, 228, 232, 262, 285, 290, 348, 380, 393, 435, 456, 524, 551, 570, 580, 655, 696, 760, 786, 870, 1048, 1102, 1140, 1160, 1310, 1572, 1653, 1740, 1965, 2204, 2280, 2489, 2620, 2755, 3144, 3306, 3480, 3799, 3930, 4408, 4978, 5240, 5510, 6612, 7467, 7598, 7860, 8265, 9956, 11020, 11397, 12445, 13224, 14934, 15196, 15720, 16530, 18995, 19912, 22040, 22794, 24890, 29868, 30392, 33060, 37335, 37990, 45588, 49780, 56985, 59736, 66120, 72181, 74670, 75980, 91176, 99560, 113970, 144362, 149340, 151960, 216543, 227940, 288724, 298680, 360905, 433086, 455880, 577448, 721810, 866172, 1082715, 1443620, 1732344, 2165430, 2887240, 4330860, 8661720]

約数ペア:

[(1, 8661720), (2, 4330860), (3, 2887240), (4, 2165430), (5, 1732344), (6, 1443620), (8, 1082715), (10, 866172), (12, 721810), (15, 577448), (19, 455880), (20, 433086), (24, 360905), (29, 298680), (30, 288724), (38, 227940), (40, 216543), (57, 151960), (58, 149340), (60, 144362), (76, 113970), (87, 99560), (95, 91176), (114, 75980), (116, 74670), (120, 72181), (131, 66120), (145, 59736), (152, 56985), (174, 49780), (190, 45588), (228, 37990), (232, 37335), (262, 33060), (285, 30392), (290, 29868), (348, 24890), (380, 22794), (393, 22040), (435, 19912), (456, 18995), (524, 16530), (551, 15720), (570, 15196), (580, 14934), (655, 13224), (696, 12445), (760, 11397), (786, 11020), (870, 9956), (1048, 8265), (1102, 7860), (1140, 7598), (1160, 7467), (1310, 6612), (1572, 5510), (1653, 5240), (1740, 4978), (1965, 4408), (2204, 3930), (2280, 3799), (2489, 3480), (2620, 3306), (2755, 3144)]