217422840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 678942720

約数和(自身を除く): 461519880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 211, 248, 277, 310, 372, 422, 465, 554, 620, 633, 744, 831, 844, 930, 1055, 1108, 1240, 1266, 1385, 1662, 1688, 1860, 2110, 2216, 2532, 2770, 3165, 3324, 3720, 4155, 4220, 5064, 5540, 6330, 6541, 6648, 8310, 8440, 8587, 11080, 12660, 13082, 16620, 17174, 19623, 25320, 25761, 26164, 32705, 33240, 34348, 39246, 42935, 51522, 52328, 58447, 65410, 68696, 78492, 85870, 98115, 103044, 116894, 128805, 130820, 156984, 171740, 175341, 196230, 206088, 233788, 257610, 261640, 292235, 343480, 350682, 392460, 467576, 515220, 584470, 701364, 784920, 876705, 1030440, 1168940, 1402728, 1753410, 1811857, 2337880, 3506820, 3623714, 5435571, 7013640, 7247428, 9059285, 10871142, 14494856, 18118570, 21742284, 27177855, 36237140, 43484568, 54355710, 72474280, 108711420, 217422840]

約数ペア:

[(1, 217422840), (2, 108711420), (3, 72474280), (4, 54355710), (5, 43484568), (6, 36237140), (8, 27177855), (10, 21742284), (12, 18118570), (15, 14494856), (20, 10871142), (24, 9059285), (30, 7247428), (31, 7013640), (40, 5435571), (60, 3623714), (62, 3506820), (93, 2337880), (120, 1811857), (124, 1753410), (155, 1402728), (186, 1168940), (211, 1030440), (248, 876705), (277, 784920), (310, 701364), (372, 584470), (422, 515220), (465, 467576), (554, 392460), (620, 350682), (633, 343480), (744, 292235), (831, 261640), (844, 257610), (930, 233788), (1055, 206088), (1108, 196230), (1240, 175341), (1266, 171740), (1385, 156984), (1662, 130820), (1688, 128805), (1860, 116894), (2110, 103044), (2216, 98115), (2532, 85870), (2770, 78492), (3165, 68696), (3324, 65410), (3720, 58447), (4155, 52328), (4220, 51522), (5064, 42935), (5540, 39246), (6330, 34348), (6541, 33240), (6648, 32705), (8310, 26164), (8440, 25761), (8587, 25320), (11080, 19623), (12660, 17174), (13082, 16620)]