31394240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 112

約数和(自身を含む): 82296000

約数和(自身を除く): 50901760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 136, 145, 160, 170, 199, 232, 272, 290, 320, 340, 398, 464, 493, 544, 580, 680, 796, 928, 986, 995, 1088, 1160, 1360, 1592, 1856, 1972, 1990, 2320, 2465, 2720, 3184, 3383, 3944, 3980, 4640, 4930, 5440, 5771, 6368, 6766, 7888, 7960, 9280, 9860, 11542, 12736, 13532, 15776, 15920, 16915, 19720, 23084, 27064, 28855, 31552, 31840, 33830, 39440, 46168, 54128, 57710, 63680, 67660, 78880, 92336, 98107, 108256, 115420, 135320, 157760, 184672, 196214, 216512, 230840, 270640, 369344, 392428, 461680, 490535, 541280, 784856, 923360, 981070, 1082560, 1569712, 1846720, 1962140, 3139424, 3924280, 6278848, 7848560, 15697120, 31394240]

約数ペア:

[(1, 31394240), (2, 15697120), (4, 7848560), (5, 6278848), (8, 3924280), (10, 3139424), (16, 1962140), (17, 1846720), (20, 1569712), (29, 1082560), (32, 981070), (34, 923360), (40, 784856), (58, 541280), (64, 490535), (68, 461680), (80, 392428), (85, 369344), (116, 270640), (136, 230840), (145, 216512), (160, 196214), (170, 184672), (199, 157760), (232, 135320), (272, 115420), (290, 108256), (320, 98107), (340, 92336), (398, 78880), (464, 67660), (493, 63680), (544, 57710), (580, 54128), (680, 46168), (796, 39440), (928, 33830), (986, 31840), (995, 31552), (1088, 28855), (1160, 27064), (1360, 23084), (1592, 19720), (1856, 16915), (1972, 15920), (1990, 15776), (2320, 13532), (2465, 12736), (2720, 11542), (3184, 9860), (3383, 9280), (3944, 7960), (3980, 7888), (4640, 6766), (4930, 6368), (5440, 5771)]