20793489080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1181}}^1$

素因数の和:1910

約数の個数: 192

約数和(自身を含む): 58744738080

約数和(自身を除く): 37951249000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 691, 728, 910, 980, 1181, 1274, 1382, 1820, 1960, 2362, 2548, 2764, 3185, 3455, 3640, 4724, 4837, 5096, 5528, 5905, 6370, 6910, 8267, 8983, 9448, 9674, 11810, 12740, 13820, 15353, 16534, 17966, 19348, 23620, 24185, 25480, 27640, 30706, 33068, 33859, 35932, 38696, 41335, 44915, 47240, 48370, 57869, 61412, 62881, 66136, 67718, 71864, 76765, 82670, 89830, 96740, 107471, 115738, 122824, 125762, 135436, 153530, 165340, 169295, 179660, 193480, 214942, 231476, 251524, 270872, 289345, 307060, 314405, 330680, 338590, 359320, 429884, 440167, 462952, 503048, 537355, 578690, 614120, 628810, 677180, 752297, 816071, 859768, 880334, 1074710, 1157380, 1257620, 1354360, 1504594, 1632142, 1760668, 2149420, 2200835, 2314760, 2515240, 3009188, 3264284, 3521336, 3761485, 4080355, 4298840, 4401670, 5712497, 6018376, 6528568, 7522970, 8160710, 8803340, 10608923, 11424994, 15045940, 16321420, 17606680, 21217846, 22849988, 28562485, 30091880, 32642840, 39987479, 42435692, 45699976, 53044615, 57124970, 74262461, 79974958, 84871384, 106089230, 114249940, 148524922, 159949916, 199937395, 212178460, 228499880, 297049844, 319899832, 371312305, 399874790, 424356920, 519837227, 594099688, 742624610, 799749580, 1039674454, 1485249220, 1599499160, 2079348908, 2599186135, 2970498440, 4158697816, 5198372270, 10396744540, 20793489080]

約数ペア:

[(1, 20793489080), (2, 10396744540), (4, 5198372270), (5, 4158697816), (7, 2970498440), (8, 2599186135), (10, 2079348908), (13, 1599499160), (14, 1485249220), (20, 1039674454), (26, 799749580), (28, 742624610), (35, 594099688), (40, 519837227), (49, 424356920), (52, 399874790), (56, 371312305), (65, 319899832), (70, 297049844), (91, 228499880), (98, 212178460), (104, 199937395), (130, 159949916), (140, 148524922), (182, 114249940), (196, 106089230), (245, 84871384), (260, 79974958), (280, 74262461), (364, 57124970), (392, 53044615), (455, 45699976), (490, 42435692), (520, 39987479), (637, 32642840), (691, 30091880), (728, 28562485), (910, 22849988), (980, 21217846), (1181, 17606680), (1274, 16321420), (1382, 15045940), (1820, 11424994), (1960, 10608923), (2362, 8803340), (2548, 8160710), (2764, 7522970), (3185, 6528568), (3455, 6018376), (3640, 5712497), (4724, 4401670), (4837, 4298840), (5096, 4080355), (5528, 3761485), (5905, 3521336), (6370, 3264284), (6910, 3009188), (8267, 2515240), (8983, 2314760), (9448, 2200835), (9674, 2149420), (11810, 1760668), (12740, 1632142), (13820, 1504594), (15353, 1354360), (16534, 1257620), (17966, 1157380), (19348, 1074710), (23620, 880334), (24185, 859768), (25480, 816071), (27640, 752297), (30706, 677180), (33068, 628810), (33859, 614120), (35932, 578690), (38696, 537355), (41335, 503048), (44915, 462952), (47240, 440167), (48370, 429884), (57869, 359320), (61412, 338590), (62881, 330680), (66136, 314405), (67718, 307060), (71864, 289345), (76765, 270872), (82670, 251524), (89830, 231476), (96740, 214942), (107471, 193480), (115738, 179660), (122824, 169295), (125762, 165340), (135436, 153530)]