78275680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1556

約数の個数: 96

約数和(自身を含む): 215986176

約数和(自身を除く): 137710496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 112, 140, 160, 188, 224, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1120, 1316, 1487, 1504, 1645, 1880, 2632, 2974, 3290, 3760, 5264, 5948, 6580, 7435, 7520, 10409, 10528, 11896, 13160, 14870, 20818, 23792, 26320, 29740, 41636, 47584, 52045, 52640, 59480, 69889, 83272, 104090, 118960, 139778, 166544, 208180, 237920, 279556, 333088, 349445, 416360, 489223, 559112, 698890, 832720, 978446, 1118224, 1397780, 1665440, 1956892, 2236448, 2446115, 2795560, 3913784, 4892230, 5591120, 7827568, 9784460, 11182240, 15655136, 19568920, 39137840, 78275680]

約数ペア:

[(1, 78275680), (2, 39137840), (4, 19568920), (5, 15655136), (7, 11182240), (8, 9784460), (10, 7827568), (14, 5591120), (16, 4892230), (20, 3913784), (28, 2795560), (32, 2446115), (35, 2236448), (40, 1956892), (47, 1665440), (56, 1397780), (70, 1118224), (80, 978446), (94, 832720), (112, 698890), (140, 559112), (160, 489223), (188, 416360), (224, 349445), (235, 333088), (280, 279556), (329, 237920), (376, 208180), (470, 166544), (560, 139778), (658, 118960), (752, 104090), (940, 83272), (1120, 69889), (1316, 59480), (1487, 52640), (1504, 52045), (1645, 47584), (1880, 41636), (2632, 29740), (2974, 26320), (3290, 23792), (3760, 20818), (5264, 14870), (5948, 13160), (6580, 11896), (7435, 10528), (7520, 10409)]