12449440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 32659200

約数和(自身を除く): 20209760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 115, 136, 160, 170, 184, 199, 230, 272, 340, 368, 391, 398, 460, 544, 680, 736, 782, 796, 920, 995, 1360, 1564, 1592, 1840, 1955, 1990, 2720, 3128, 3184, 3383, 3680, 3910, 3980, 4577, 6256, 6368, 6766, 7820, 7960, 9154, 12512, 13532, 15640, 15920, 16915, 18308, 22885, 27064, 31280, 31840, 33830, 36616, 45770, 54128, 62560, 67660, 73232, 77809, 91540, 108256, 135320, 146464, 155618, 183080, 270640, 311236, 366160, 389045, 541280, 622472, 732320, 778090, 1244944, 1556180, 2489888, 3112360, 6224720, 12449440]

約数ペア:

[(1, 12449440), (2, 6224720), (4, 3112360), (5, 2489888), (8, 1556180), (10, 1244944), (16, 778090), (17, 732320), (20, 622472), (23, 541280), (32, 389045), (34, 366160), (40, 311236), (46, 270640), (68, 183080), (80, 155618), (85, 146464), (92, 135320), (115, 108256), (136, 91540), (160, 77809), (170, 73232), (184, 67660), (199, 62560), (230, 54128), (272, 45770), (340, 36616), (368, 33830), (391, 31840), (398, 31280), (460, 27064), (544, 22885), (680, 18308), (736, 16915), (782, 15920), (796, 15640), (920, 13532), (995, 12512), (1360, 9154), (1564, 7960), (1592, 7820), (1840, 6766), (1955, 6368), (1990, 6256), (2720, 4577), (3128, 3980), (3184, 3910), (3383, 3680)]