2018457525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 3891496960

約数和(自身を除く): 1873039435

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 103, 105, 163, 175, 229, 309, 489, 515, 525, 687, 721, 815, 1141, 1145, 1545, 1603, 2163, 2445, 2575, 3423, 3435, 3605, 4075, 4809, 5705, 5725, 7725, 8015, 10815, 12225, 16789, 17115, 17175, 18025, 23587, 24045, 28525, 37327, 40075, 50367, 54075, 70761, 83945, 85575, 111981, 117523, 117935, 120225, 165109, 186635, 251835, 261289, 352569, 353805, 419725, 495327, 559905, 587615, 589675, 783867, 825545, 933175, 1259175, 1306445, 1762845, 1769025, 2476635, 2799525, 2938075, 3844681, 3919335, 4127725, 6532225, 8814225, 11534043, 12383175, 19223405, 19596675, 26912767, 57670215, 80738301, 96117025, 134563835, 288351075, 403691505, 672819175, 2018457525]

約数ペア:

[(1, 2018457525), (3, 672819175), (5, 403691505), (7, 288351075), (15, 134563835), (21, 96117025), (25, 80738301), (35, 57670215), (75, 26912767), (103, 19596675), (105, 19223405), (163, 12383175), (175, 11534043), (229, 8814225), (309, 6532225), (489, 4127725), (515, 3919335), (525, 3844681), (687, 2938075), (721, 2799525), (815, 2476635), (1141, 1769025), (1145, 1762845), (1545, 1306445), (1603, 1259175), (2163, 933175), (2445, 825545), (2575, 783867), (3423, 589675), (3435, 587615), (3605, 559905), (4075, 495327), (4809, 419725), (5705, 353805), (5725, 352569), (7725, 261289), (8015, 251835), (10815, 186635), (12225, 165109), (16789, 120225), (17115, 117935), (17175, 117523), (18025, 111981), (23587, 85575), (24045, 83945), (28525, 70761), (37327, 54075), (40075, 50367)]