68471920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 192844800

約数和(自身を除く): 124372880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 80, 85, 88, 92, 110, 115, 136, 170, 176, 184, 187, 199, 220, 230, 253, 272, 340, 368, 374, 391, 398, 440, 460, 506, 680, 748, 782, 796, 880, 920, 935, 995, 1012, 1265, 1360, 1496, 1564, 1592, 1840, 1870, 1955, 1990, 2024, 2189, 2530, 2992, 3128, 3184, 3383, 3740, 3910, 3980, 4048, 4301, 4378, 4577, 5060, 6256, 6766, 7480, 7820, 7960, 8602, 8756, 9154, 10120, 10945, 13532, 14960, 15640, 15920, 16915, 17204, 17512, 18308, 20240, 21505, 21890, 22885, 27064, 31280, 33830, 34408, 35024, 36616, 37213, 43010, 43780, 45770, 50347, 54128, 67660, 68816, 73232, 74426, 77809, 86020, 87560, 91540, 100694, 135320, 148852, 155618, 172040, 175120, 183080, 186065, 201388, 251735, 270640, 297704, 311236, 344080, 366160, 372130, 389045, 402776, 503470, 595408, 622472, 744260, 778090, 805552, 855899, 1006940, 1244944, 1488520, 1556180, 1711798, 2013880, 2977040, 3112360, 3423596, 4027760, 4279495, 6224720, 6847192, 8558990, 13694384, 17117980, 34235960, 68471920]

約数ペア:

[(1, 68471920), (2, 34235960), (4, 17117980), (5, 13694384), (8, 8558990), (10, 6847192), (11, 6224720), (16, 4279495), (17, 4027760), (20, 3423596), (22, 3112360), (23, 2977040), (34, 2013880), (40, 1711798), (44, 1556180), (46, 1488520), (55, 1244944), (68, 1006940), (80, 855899), (85, 805552), (88, 778090), (92, 744260), (110, 622472), (115, 595408), (136, 503470), (170, 402776), (176, 389045), (184, 372130), (187, 366160), (199, 344080), (220, 311236), (230, 297704), (253, 270640), (272, 251735), (340, 201388), (368, 186065), (374, 183080), (391, 175120), (398, 172040), (440, 155618), (460, 148852), (506, 135320), (680, 100694), (748, 91540), (782, 87560), (796, 86020), (880, 77809), (920, 74426), (935, 73232), (995, 68816), (1012, 67660), (1265, 54128), (1360, 50347), (1496, 45770), (1564, 43780), (1592, 43010), (1840, 37213), (1870, 36616), (1955, 35024), (1990, 34408), (2024, 33830), (2189, 31280), (2530, 27064), (2992, 22885), (3128, 21890), (3184, 21505), (3383, 20240), (3740, 18308), (3910, 17512), (3980, 17204), (4048, 16915), (4301, 15920), (4378, 15640), (4577, 14960), (5060, 13532), (6256, 10945), (6766, 10120), (7480, 9154), (7820, 8756), (7960, 8602)]