31499040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 100154880

約数和(自身を除く): 68655840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 137, 160, 240, 274, 411, 479, 480, 548, 685, 822, 958, 1096, 1370, 1437, 1644, 1916, 2055, 2192, 2395, 2740, 2874, 3288, 3832, 4110, 4384, 4790, 5480, 5748, 6576, 7185, 7664, 8220, 9580, 10960, 11496, 13152, 14370, 15328, 16440, 19160, 21920, 22992, 28740, 32880, 38320, 45984, 57480, 65623, 65760, 76640, 114960, 131246, 196869, 229920, 262492, 328115, 393738, 524984, 656230, 787476, 984345, 1049968, 1312460, 1574952, 1968690, 2099936, 2624920, 3149904, 3937380, 5249840, 6299808, 7874760, 10499680, 15749520, 31499040]

約数ペア:

[(1, 31499040), (2, 15749520), (3, 10499680), (4, 7874760), (5, 6299808), (6, 5249840), (8, 3937380), (10, 3149904), (12, 2624920), (15, 2099936), (16, 1968690), (20, 1574952), (24, 1312460), (30, 1049968), (32, 984345), (40, 787476), (48, 656230), (60, 524984), (80, 393738), (96, 328115), (120, 262492), (137, 229920), (160, 196869), (240, 131246), (274, 114960), (411, 76640), (479, 65760), (480, 65623), (548, 57480), (685, 45984), (822, 38320), (958, 32880), (1096, 28740), (1370, 22992), (1437, 21920), (1644, 19160), (1916, 16440), (2055, 15328), (2192, 14370), (2395, 13152), (2740, 11496), (2874, 10960), (3288, 9580), (3832, 8220), (4110, 7664), (4384, 7185), (4790, 6576), (5480, 5748)]