21184080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1447}}^1$

素因数の和:1524

約数の個数: 80

約数和(自身を含む): 66793344

約数和(自身を除く): 45609264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1447, 1464, 1830, 2440, 2894, 2928, 3660, 4341, 4880, 5788, 7235, 7320, 8682, 11576, 14470, 14640, 17364, 21705, 23152, 28940, 34728, 43410, 57880, 69456, 86820, 88267, 115760, 173640, 176534, 264801, 347280, 353068, 441335, 529602, 706136, 882670, 1059204, 1324005, 1412272, 1765340, 2118408, 2648010, 3530680, 4236816, 5296020, 7061360, 10592040, 21184080]

約数ペア:

[(1, 21184080), (2, 10592040), (3, 7061360), (4, 5296020), (5, 4236816), (6, 3530680), (8, 2648010), (10, 2118408), (12, 1765340), (15, 1412272), (16, 1324005), (20, 1059204), (24, 882670), (30, 706136), (40, 529602), (48, 441335), (60, 353068), (61, 347280), (80, 264801), (120, 176534), (122, 173640), (183, 115760), (240, 88267), (244, 86820), (305, 69456), (366, 57880), (488, 43410), (610, 34728), (732, 28940), (915, 23152), (976, 21705), (1220, 17364), (1447, 14640), (1464, 14470), (1830, 11576), (2440, 8682), (2894, 7320), (2928, 7235), (3660, 5788), (4341, 4880)]