31555080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 110972160

約数和(自身を除く): 79417080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 60, 69, 72, 74, 90, 92, 103, 111, 115, 120, 138, 148, 180, 184, 185, 206, 207, 222, 230, 276, 296, 309, 333, 345, 360, 370, 412, 414, 444, 460, 515, 552, 555, 618, 666, 690, 740, 824, 828, 851, 888, 920, 927, 1030, 1035, 1110, 1236, 1332, 1380, 1480, 1545, 1656, 1665, 1702, 1854, 2060, 2070, 2220, 2369, 2472, 2553, 2664, 2760, 3090, 3330, 3404, 3708, 3811, 4120, 4140, 4255, 4440, 4635, 4738, 5106, 6180, 6660, 6808, 7107, 7416, 7622, 7659, 8280, 8510, 9270, 9476, 10212, 11433, 11845, 12360, 12765, 13320, 14214, 15244, 15318, 17020, 18540, 18952, 19055, 20424, 21321, 22866, 23690, 25530, 28428, 30488, 30636, 34040, 34299, 35535, 37080, 38110, 38295, 42642, 45732, 47380, 51060, 56856, 57165, 61272, 68598, 71070, 76220, 76590, 85284, 87653, 91464, 94760, 102120, 106605, 114330, 137196, 142140, 152440, 153180, 170568, 171495, 175306, 213210, 228660, 262959, 274392, 284280, 306360, 342990, 350612, 426420, 438265, 457320, 525918, 685980, 701224, 788877, 852840, 876530, 1051836, 1314795, 1371960, 1577754, 1753060, 2103672, 2629590, 3155508, 3506120, 3944385, 5259180, 6311016, 7888770, 10518360, 15777540, 31555080]

約数ペア:

[(1, 31555080), (2, 15777540), (3, 10518360), (4, 7888770), (5, 6311016), (6, 5259180), (8, 3944385), (9, 3506120), (10, 3155508), (12, 2629590), (15, 2103672), (18, 1753060), (20, 1577754), (23, 1371960), (24, 1314795), (30, 1051836), (36, 876530), (37, 852840), (40, 788877), (45, 701224), (46, 685980), (60, 525918), (69, 457320), (72, 438265), (74, 426420), (90, 350612), (92, 342990), (103, 306360), (111, 284280), (115, 274392), (120, 262959), (138, 228660), (148, 213210), (180, 175306), (184, 171495), (185, 170568), (206, 153180), (207, 152440), (222, 142140), (230, 137196), (276, 114330), (296, 106605), (309, 102120), (333, 94760), (345, 91464), (360, 87653), (370, 85284), (412, 76590), (414, 76220), (444, 71070), (460, 68598), (515, 61272), (552, 57165), (555, 56856), (618, 51060), (666, 47380), (690, 45732), (740, 42642), (824, 38295), (828, 38110), (851, 37080), (888, 35535), (920, 34299), (927, 34040), (1030, 30636), (1035, 30488), (1110, 28428), (1236, 25530), (1332, 23690), (1380, 22866), (1480, 21321), (1545, 20424), (1656, 19055), (1665, 18952), (1702, 18540), (1854, 17020), (2060, 15318), (2070, 15244), (2220, 14214), (2369, 13320), (2472, 12765), (2553, 12360), (2664, 11845), (2760, 11433), (3090, 10212), (3330, 9476), (3404, 9270), (3708, 8510), (3811, 8280), (4120, 7659), (4140, 7622), (4255, 7416), (4440, 7107), (4635, 6808), (4738, 6660), (5106, 6180)]