61979960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 174960000

約数和(自身を除く): 112980040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 85, 116, 119, 136, 140, 145, 170, 203, 232, 238, 280, 290, 340, 406, 449, 476, 493, 580, 595, 680, 812, 898, 952, 986, 1015, 1160, 1190, 1624, 1796, 1972, 2030, 2245, 2380, 2465, 3143, 3451, 3592, 3944, 4060, 4490, 4760, 4930, 6286, 6902, 7633, 8120, 8980, 9860, 12572, 13021, 13804, 15266, 15715, 17255, 17960, 19720, 25144, 26042, 27608, 30532, 31430, 34510, 38165, 52084, 53431, 61064, 62860, 65105, 69020, 76330, 91147, 104168, 106862, 125720, 130210, 138040, 152660, 182294, 213724, 221357, 260420, 267155, 305320, 364588, 427448, 442714, 455735, 520840, 534310, 729176, 885428, 911470, 1068620, 1106785, 1549499, 1770856, 1822940, 2137240, 2213570, 3098998, 3645880, 4427140, 6197996, 7747495, 8854280, 12395992, 15494990, 30989980, 61979960]

約数ペア:

[(1, 61979960), (2, 30989980), (4, 15494990), (5, 12395992), (7, 8854280), (8, 7747495), (10, 6197996), (14, 4427140), (17, 3645880), (20, 3098998), (28, 2213570), (29, 2137240), (34, 1822940), (35, 1770856), (40, 1549499), (56, 1106785), (58, 1068620), (68, 911470), (70, 885428), (85, 729176), (116, 534310), (119, 520840), (136, 455735), (140, 442714), (145, 427448), (170, 364588), (203, 305320), (232, 267155), (238, 260420), (280, 221357), (290, 213724), (340, 182294), (406, 152660), (449, 138040), (476, 130210), (493, 125720), (580, 106862), (595, 104168), (680, 91147), (812, 76330), (898, 69020), (952, 65105), (986, 62860), (1015, 61064), (1160, 53431), (1190, 52084), (1624, 38165), (1796, 34510), (1972, 31430), (2030, 30532), (2245, 27608), (2380, 26042), (2465, 25144), (3143, 19720), (3451, 17960), (3592, 17255), (3944, 15715), (4060, 15266), (4490, 13804), (4760, 13021), (4930, 12572), (6286, 9860), (6902, 8980), (7633, 8120)]