61148720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 88841680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 167, 184, 199, 230, 334, 368, 398, 460, 668, 796, 835, 920, 995, 1336, 1592, 1670, 1840, 1990, 2672, 3184, 3340, 3841, 3980, 4577, 6680, 7682, 7960, 9154, 13360, 15364, 15920, 18308, 19205, 22885, 30728, 33233, 36616, 38410, 45770, 61456, 66466, 73232, 76820, 91540, 132932, 153640, 166165, 183080, 265864, 307280, 332330, 366160, 531728, 664660, 764359, 1329320, 1528718, 2658640, 3057436, 3821795, 6114872, 7643590, 12229744, 15287180, 30574360, 61148720]

約数ペア:

[(1, 61148720), (2, 30574360), (4, 15287180), (5, 12229744), (8, 7643590), (10, 6114872), (16, 3821795), (20, 3057436), (23, 2658640), (40, 1528718), (46, 1329320), (80, 764359), (92, 664660), (115, 531728), (167, 366160), (184, 332330), (199, 307280), (230, 265864), (334, 183080), (368, 166165), (398, 153640), (460, 132932), (668, 91540), (796, 76820), (835, 73232), (920, 66466), (995, 61456), (1336, 45770), (1592, 38410), (1670, 36616), (1840, 33233), (1990, 30728), (2672, 22885), (3184, 19205), (3340, 18308), (3841, 15920), (3980, 15364), (4577, 13360), (6680, 9154), (7682, 7960)]