77472920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 214475040

約数和(自身を除く): 137002120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 47, 49, 56, 58, 70, 94, 98, 116, 140, 145, 188, 196, 203, 232, 235, 245, 280, 290, 329, 376, 392, 406, 470, 490, 580, 658, 812, 841, 940, 980, 1015, 1160, 1316, 1363, 1421, 1624, 1645, 1682, 1880, 1960, 2030, 2303, 2632, 2726, 2842, 3290, 3364, 4060, 4205, 4606, 5452, 5684, 5887, 6580, 6728, 6815, 7105, 8120, 8410, 9212, 9541, 10904, 11368, 11515, 11774, 13160, 13630, 14210, 16820, 18424, 19082, 23030, 23548, 27260, 28420, 29435, 33640, 38164, 39527, 41209, 46060, 47096, 47705, 54520, 56840, 58870, 66787, 76328, 79054, 82418, 92120, 95410, 117740, 133574, 158108, 164836, 190820, 197635, 206045, 235480, 267148, 276689, 316216, 329672, 333935, 381640, 395270, 412090, 534296, 553378, 667870, 790540, 824180, 1106756, 1335740, 1383445, 1581080, 1648360, 1936823, 2213512, 2671480, 2766890, 3873646, 5533780, 7747292, 9684115, 11067560, 15494584, 19368230, 38736460, 77472920]

約数ペア:

[(1, 77472920), (2, 38736460), (4, 19368230), (5, 15494584), (7, 11067560), (8, 9684115), (10, 7747292), (14, 5533780), (20, 3873646), (28, 2766890), (29, 2671480), (35, 2213512), (40, 1936823), (47, 1648360), (49, 1581080), (56, 1383445), (58, 1335740), (70, 1106756), (94, 824180), (98, 790540), (116, 667870), (140, 553378), (145, 534296), (188, 412090), (196, 395270), (203, 381640), (232, 333935), (235, 329672), (245, 316216), (280, 276689), (290, 267148), (329, 235480), (376, 206045), (392, 197635), (406, 190820), (470, 164836), (490, 158108), (580, 133574), (658, 117740), (812, 95410), (841, 92120), (940, 82418), (980, 79054), (1015, 76328), (1160, 66787), (1316, 58870), (1363, 56840), (1421, 54520), (1624, 47705), (1645, 47096), (1682, 46060), (1880, 41209), (1960, 39527), (2030, 38164), (2303, 33640), (2632, 29435), (2726, 28420), (2842, 27260), (3290, 23548), (3364, 23030), (4060, 19082), (4205, 18424), (4606, 16820), (5452, 14210), (5684, 13630), (5887, 13160), (6580, 11774), (6728, 11515), (6815, 11368), (7105, 10904), (8120, 9541), (8410, 9212)]