1561549580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{479}}^1$

素因数の和:903

約数の個数: 96

約数和(自身を含む): 3619123200

約数和(自身を除く): 2057573620

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 373, 380, 437, 460, 479, 746, 874, 958, 1492, 1748, 1865, 1916, 2185, 2395, 3730, 4370, 4790, 7087, 7460, 8579, 8740, 9101, 9580, 11017, 14174, 17158, 18202, 22034, 28348, 34316, 35435, 36404, 42895, 44068, 45505, 55085, 70870, 85790, 91010, 110170, 141740, 163001, 171580, 178667, 182020, 209323, 220340, 326002, 357334, 418646, 652004, 714668, 815005, 837292, 893335, 1046615, 1630010, 1786670, 2093230, 3260020, 3394673, 3573340, 4109341, 4186460, 6789346, 8218682, 13578692, 16437364, 16973365, 20546705, 33946730, 41093410, 67893460, 78077479, 82186820, 156154958, 312309916, 390387395, 780774790, 1561549580]

約数ペア:

[(1, 1561549580), (2, 780774790), (4, 390387395), (5, 312309916), (10, 156154958), (19, 82186820), (20, 78077479), (23, 67893460), (38, 41093410), (46, 33946730), (76, 20546705), (92, 16973365), (95, 16437364), (115, 13578692), (190, 8218682), (230, 6789346), (373, 4186460), (380, 4109341), (437, 3573340), (460, 3394673), (479, 3260020), (746, 2093230), (874, 1786670), (958, 1630010), (1492, 1046615), (1748, 893335), (1865, 837292), (1916, 815005), (2185, 714668), (2395, 652004), (3730, 418646), (4370, 357334), (4790, 326002), (7087, 220340), (7460, 209323), (8579, 182020), (8740, 178667), (9101, 171580), (9580, 163001), (11017, 141740), (14174, 110170), (17158, 91010), (18202, 85790), (22034, 70870), (28348, 55085), (34316, 45505), (35435, 44068), (36404, 42895)]