268745520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 889228800

約数和(自身を除く): 620483280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 199, 204, 240, 255, 272, 331, 340, 398, 408, 510, 597, 662, 680, 796, 816, 993, 995, 1020, 1194, 1324, 1360, 1592, 1655, 1986, 1990, 2040, 2388, 2648, 2985, 3184, 3310, 3383, 3972, 3980, 4080, 4776, 4965, 5296, 5627, 5970, 6620, 6766, 7944, 7960, 9552, 9930, 10149, 11254, 11940, 13240, 13532, 15888, 15920, 16881, 16915, 19860, 20298, 22508, 23880, 26480, 27064, 28135, 33762, 33830, 39720, 40596, 45016, 47760, 50745, 54128, 56270, 65869, 67524, 67660, 79440, 81192, 84405, 90032, 101490, 112540, 131738, 135048, 135320, 162384, 168810, 197607, 202980, 225080, 263476, 270096, 270640, 329345, 337620, 395214, 405960, 450160, 526952, 658690, 675240, 790428, 811920, 988035, 1053904, 1119773, 1317380, 1350480, 1580856, 1976070, 2239546, 2634760, 3161712, 3359319, 3952140, 4479092, 5269520, 5598865, 6718638, 7904280, 8958184, 11197730, 13437276, 15808560, 16796595, 17916368, 22395460, 26874552, 33593190, 44790920, 53749104, 67186380, 89581840, 134372760, 268745520]

約数ペア:

[(1, 268745520), (2, 134372760), (3, 89581840), (4, 67186380), (5, 53749104), (6, 44790920), (8, 33593190), (10, 26874552), (12, 22395460), (15, 17916368), (16, 16796595), (17, 15808560), (20, 13437276), (24, 11197730), (30, 8958184), (34, 7904280), (40, 6718638), (48, 5598865), (51, 5269520), (60, 4479092), (68, 3952140), (80, 3359319), (85, 3161712), (102, 2634760), (120, 2239546), (136, 1976070), (170, 1580856), (199, 1350480), (204, 1317380), (240, 1119773), (255, 1053904), (272, 988035), (331, 811920), (340, 790428), (398, 675240), (408, 658690), (510, 526952), (597, 450160), (662, 405960), (680, 395214), (796, 337620), (816, 329345), (993, 270640), (995, 270096), (1020, 263476), (1194, 225080), (1324, 202980), (1360, 197607), (1592, 168810), (1655, 162384), (1986, 135320), (1990, 135048), (2040, 131738), (2388, 112540), (2648, 101490), (2985, 90032), (3184, 84405), (3310, 81192), (3383, 79440), (3972, 67660), (3980, 67524), (4080, 65869), (4776, 56270), (4965, 54128), (5296, 50745), (5627, 47760), (5970, 45016), (6620, 40596), (6766, 39720), (7944, 33830), (7960, 33762), (9552, 28135), (9930, 27064), (10149, 26480), (11254, 23880), (11940, 22508), (13240, 20298), (13532, 19860), (15888, 16915), (15920, 16881)]