164160760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3632

約数の個数: 64

約数和(自身を含む): 395287200

約数和(自身を除く): 231126440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 2318, 2440, 3541, 4636, 5795, 7082, 9272, 11590, 14164, 17705, 23180, 28328, 35410, 46360, 67279, 70820, 134558, 141640, 216001, 269116, 336395, 432002, 538232, 672790, 864004, 1080005, 1345580, 1728008, 2160010, 2691160, 4104019, 4320020, 8208038, 8640040, 16416076, 20520095, 32832152, 41040190, 82080380, 164160760]

約数ペア:

[(1, 164160760), (2, 82080380), (4, 41040190), (5, 32832152), (8, 20520095), (10, 16416076), (19, 8640040), (20, 8208038), (38, 4320020), (40, 4104019), (61, 2691160), (76, 2160010), (95, 1728008), (122, 1345580), (152, 1080005), (190, 864004), (244, 672790), (305, 538232), (380, 432002), (488, 336395), (610, 269116), (760, 216001), (1159, 141640), (1220, 134558), (2318, 70820), (2440, 67279), (3541, 46360), (4636, 35410), (5795, 28328), (7082, 23180), (9272, 17705), (11590, 14164)]