1643120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 80

約数和(自身を含む): 4285440

約数和(自身を除く): 2642320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 47, 76, 80, 92, 94, 95, 115, 152, 184, 188, 190, 230, 235, 304, 368, 376, 380, 437, 460, 470, 752, 760, 874, 893, 920, 940, 1081, 1520, 1748, 1786, 1840, 1880, 2162, 2185, 3496, 3572, 3760, 4324, 4370, 4465, 5405, 6992, 7144, 8648, 8740, 8930, 10810, 14288, 17296, 17480, 17860, 20539, 21620, 34960, 35720, 41078, 43240, 71440, 82156, 86480, 102695, 164312, 205390, 328624, 410780, 821560, 1643120]

約数ペア:

[(1, 1643120), (2, 821560), (4, 410780), (5, 328624), (8, 205390), (10, 164312), (16, 102695), (19, 86480), (20, 82156), (23, 71440), (38, 43240), (40, 41078), (46, 35720), (47, 34960), (76, 21620), (80, 20539), (92, 17860), (94, 17480), (95, 17296), (115, 14288), (152, 10810), (184, 8930), (188, 8740), (190, 8648), (230, 7144), (235, 6992), (304, 5405), (368, 4465), (376, 4370), (380, 4324), (437, 3760), (460, 3572), (470, 3496), (752, 2185), (760, 2162), (874, 1880), (893, 1840), (920, 1786), (940, 1748), (1081, 1520)]