1728498520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{20509}}^1$

素因数の和:20577

約数の個数: 96

約数和(自身を含む): 4629517200

約数和(自身を除く): 2901018680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 245, 280, 301, 344, 392, 430, 490, 602, 860, 980, 1204, 1505, 1720, 1960, 2107, 2408, 3010, 4214, 6020, 8428, 10535, 12040, 16856, 20509, 21070, 41018, 42140, 82036, 84280, 102545, 143563, 164072, 205090, 287126, 410180, 574252, 717815, 820360, 881887, 1004941, 1148504, 1435630, 1763774, 2009882, 2871260, 3527548, 4019764, 4409435, 5024705, 5742520, 6173209, 7055096, 8039528, 8818870, 10049410, 12346418, 17637740, 20098820, 24692836, 30866045, 35275480, 40197640, 43212463, 49385672, 61732090, 86424926, 123464180, 172849852, 216062315, 246928360, 345699704, 432124630, 864249260, 1728498520]

約数ペア:

[(1, 1728498520), (2, 864249260), (4, 432124630), (5, 345699704), (7, 246928360), (8, 216062315), (10, 172849852), (14, 123464180), (20, 86424926), (28, 61732090), (35, 49385672), (40, 43212463), (43, 40197640), (49, 35275480), (56, 30866045), (70, 24692836), (86, 20098820), (98, 17637740), (140, 12346418), (172, 10049410), (196, 8818870), (215, 8039528), (245, 7055096), (280, 6173209), (301, 5742520), (344, 5024705), (392, 4409435), (430, 4019764), (490, 3527548), (602, 2871260), (860, 2009882), (980, 1763774), (1204, 1435630), (1505, 1148504), (1720, 1004941), (1960, 881887), (2107, 820360), (2408, 717815), (3010, 574252), (4214, 410180), (6020, 287126), (8428, 205090), (10535, 164072), (12040, 143563), (16856, 102545), (20509, 84280), (21070, 82036), (41018, 42140)]