54895720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 146966400

約数和(自身を除く): 92070680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 110, 136, 164, 170, 179, 187, 205, 220, 328, 340, 358, 374, 410, 440, 451, 680, 697, 716, 748, 820, 895, 902, 935, 1394, 1432, 1496, 1640, 1790, 1804, 1870, 1969, 2255, 2788, 3043, 3485, 3580, 3608, 3740, 3938, 4510, 5576, 6086, 6970, 7160, 7339, 7480, 7667, 7876, 9020, 9845, 12172, 13940, 14678, 15215, 15334, 15752, 18040, 19690, 24344, 27880, 29356, 30430, 30668, 33473, 36695, 38335, 39380, 58712, 60860, 61336, 66946, 73390, 76670, 78760, 80729, 121720, 124763, 133892, 146780, 153340, 161458, 167365, 249526, 267784, 293560, 306680, 322916, 334730, 403645, 499052, 623815, 645832, 669460, 807290, 998104, 1247630, 1338920, 1372393, 1614580, 2495260, 2744786, 3229160, 4990520, 5489572, 6861965, 10979144, 13723930, 27447860, 54895720]

約数ペア:

[(1, 54895720), (2, 27447860), (4, 13723930), (5, 10979144), (8, 6861965), (10, 5489572), (11, 4990520), (17, 3229160), (20, 2744786), (22, 2495260), (34, 1614580), (40, 1372393), (41, 1338920), (44, 1247630), (55, 998104), (68, 807290), (82, 669460), (85, 645832), (88, 623815), (110, 499052), (136, 403645), (164, 334730), (170, 322916), (179, 306680), (187, 293560), (205, 267784), (220, 249526), (328, 167365), (340, 161458), (358, 153340), (374, 146780), (410, 133892), (440, 124763), (451, 121720), (680, 80729), (697, 78760), (716, 76670), (748, 73390), (820, 66946), (895, 61336), (902, 60860), (935, 58712), (1394, 39380), (1432, 38335), (1496, 36695), (1640, 33473), (1790, 30668), (1804, 30430), (1870, 29356), (1969, 27880), (2255, 24344), (2788, 19690), (3043, 18040), (3485, 15752), (3580, 15334), (3608, 15215), (3740, 14678), (3938, 13940), (4510, 12172), (5576, 9845), (6086, 9020), (6970, 7876), (7160, 7667), (7339, 7480)]