28683160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 76723200

約数和(自身を除く): 48040040

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 47, 55, 73, 76, 88, 94, 95, 110, 146, 152, 188, 190, 209, 220, 235, 292, 365, 376, 380, 418, 440, 470, 517, 584, 730, 760, 803, 836, 893, 940, 1034, 1045, 1387, 1460, 1606, 1672, 1786, 1880, 2068, 2090, 2585, 2774, 2920, 3212, 3431, 3572, 4015, 4136, 4180, 4465, 5170, 5548, 6424, 6862, 6935, 7144, 8030, 8360, 8930, 9823, 10340, 11096, 13724, 13870, 15257, 16060, 17155, 17860, 19646, 20680, 27448, 27740, 30514, 32120, 34310, 35720, 37741, 39292, 49115, 55480, 61028, 65189, 68620, 75482, 76285, 78584, 98230, 122056, 130378, 137240, 150964, 152570, 188705, 196460, 260756, 301928, 305140, 325945, 377410, 392920, 521512, 610280, 651890, 717079, 754820, 1303780, 1434158, 1509640, 2607560, 2868316, 3585395, 5736632, 7170790, 14341580, 28683160]

約数ペア:

[(1, 28683160), (2, 14341580), (4, 7170790), (5, 5736632), (8, 3585395), (10, 2868316), (11, 2607560), (19, 1509640), (20, 1434158), (22, 1303780), (38, 754820), (40, 717079), (44, 651890), (47, 610280), (55, 521512), (73, 392920), (76, 377410), (88, 325945), (94, 305140), (95, 301928), (110, 260756), (146, 196460), (152, 188705), (188, 152570), (190, 150964), (209, 137240), (220, 130378), (235, 122056), (292, 98230), (365, 78584), (376, 76285), (380, 75482), (418, 68620), (440, 65189), (470, 61028), (517, 55480), (584, 49115), (730, 39292), (760, 37741), (803, 35720), (836, 34310), (893, 32120), (940, 30514), (1034, 27740), (1045, 27448), (1387, 20680), (1460, 19646), (1606, 17860), (1672, 17155), (1786, 16060), (1880, 15257), (2068, 13870), (2090, 13724), (2585, 11096), (2774, 10340), (2920, 9823), (3212, 8930), (3431, 8360), (3572, 8030), (4015, 7144), (4136, 6935), (4180, 6862), (4465, 6424), (5170, 5548)]