31197040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 91601280

約数和(自身を除く): 60404240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 80, 85, 112, 113, 116, 119, 136, 140, 145, 170, 203, 226, 232, 238, 272, 280, 290, 340, 406, 452, 464, 476, 493, 560, 565, 580, 595, 680, 791, 812, 904, 952, 986, 1015, 1130, 1160, 1190, 1360, 1582, 1624, 1808, 1904, 1921, 1972, 2030, 2260, 2320, 2380, 2465, 3164, 3248, 3277, 3451, 3842, 3944, 3955, 4060, 4520, 4760, 4930, 6328, 6554, 6902, 7684, 7888, 7910, 8120, 9040, 9520, 9605, 9860, 12656, 13108, 13447, 13804, 15368, 15820, 16240, 16385, 17255, 19210, 19720, 22939, 26216, 26894, 27608, 30736, 31640, 32770, 34510, 38420, 39440, 45878, 52432, 53788, 55216, 55709, 63280, 65540, 67235, 69020, 76840, 91756, 107576, 111418, 114695, 131080, 134470, 138040, 153680, 183512, 215152, 222836, 229390, 262160, 268940, 276080, 278545, 367024, 389963, 445672, 458780, 537880, 557090, 779926, 891344, 917560, 1075760, 1114180, 1559852, 1835120, 1949815, 2228360, 3119704, 3899630, 4456720, 6239408, 7799260, 15598520, 31197040]

約数ペア:

[(1, 31197040), (2, 15598520), (4, 7799260), (5, 6239408), (7, 4456720), (8, 3899630), (10, 3119704), (14, 2228360), (16, 1949815), (17, 1835120), (20, 1559852), (28, 1114180), (29, 1075760), (34, 917560), (35, 891344), (40, 779926), (56, 557090), (58, 537880), (68, 458780), (70, 445672), (80, 389963), (85, 367024), (112, 278545), (113, 276080), (116, 268940), (119, 262160), (136, 229390), (140, 222836), (145, 215152), (170, 183512), (203, 153680), (226, 138040), (232, 134470), (238, 131080), (272, 114695), (280, 111418), (290, 107576), (340, 91756), (406, 76840), (452, 69020), (464, 67235), (476, 65540), (493, 63280), (560, 55709), (565, 55216), (580, 53788), (595, 52432), (680, 45878), (791, 39440), (812, 38420), (904, 34510), (952, 32770), (986, 31640), (1015, 30736), (1130, 27608), (1160, 26894), (1190, 26216), (1360, 22939), (1582, 19720), (1624, 19210), (1808, 17255), (1904, 16385), (1921, 16240), (1972, 15820), (2030, 15368), (2260, 13804), (2320, 13447), (2380, 13108), (2465, 12656), (3164, 9860), (3248, 9605), (3277, 9520), (3451, 9040), (3842, 8120), (3944, 7910), (3955, 7888), (4060, 7684), (4520, 6902), (4760, 6554), (4930, 6328)]