278116080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 240

約数和(自身を含む): 969333792

約数和(自身を除く): 691217712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 110, 120, 121, 122, 132, 157, 165, 176, 183, 220, 240, 242, 244, 264, 305, 314, 330, 363, 366, 440, 471, 484, 488, 528, 605, 610, 628, 660, 671, 726, 732, 785, 880, 915, 942, 968, 976, 1210, 1220, 1256, 1320, 1342, 1452, 1464, 1570, 1727, 1815, 1830, 1884, 1936, 2013, 2355, 2420, 2440, 2512, 2640, 2684, 2904, 2928, 3140, 3355, 3454, 3630, 3660, 3768, 4026, 4710, 4840, 4880, 5181, 5368, 5808, 6280, 6710, 6908, 7260, 7320, 7381, 7536, 8052, 8635, 9420, 9577, 9680, 10065, 10362, 10736, 12560, 13420, 13816, 14520, 14640, 14762, 16104, 17270, 18840, 18997, 19154, 20130, 20724, 22143, 25905, 26840, 27632, 28731, 29040, 29524, 32208, 34540, 36905, 37680, 37994, 38308, 40260, 41448, 44286, 47885, 51810, 53680, 56991, 57462, 59048, 69080, 73810, 75988, 76616, 80520, 82896, 88572, 94985, 95770, 103620, 105347, 110715, 113982, 114924, 118096, 138160, 143655, 147620, 151976, 153232, 161040, 177144, 189970, 191540, 207240, 210694, 221430, 227964, 229848, 284955, 287310, 295240, 303952, 316041, 354288, 379940, 383080, 414480, 421388, 442860, 455928, 459696, 526735, 569910, 574620, 590480, 632082, 759880, 766160, 842776, 885720, 911856, 1053470, 1139820, 1149240, 1158817, 1264164, 1519760, 1580205, 1685552, 1771440, 2106940, 2279640, 2298480, 2317634, 2528328, 3160410, 3476451, 4213880, 4559280, 4635268, 5056656, 5794085, 6320820, 6952902, 8427760, 9270536, 11588170, 12641640, 13905804, 17382255, 18541072, 23176340, 25283280, 27811608, 34764510, 46352680, 55623216, 69529020, 92705360, 139058040, 278116080]

約数ペア:

[(1, 278116080), (2, 139058040), (3, 92705360), (4, 69529020), (5, 55623216), (6, 46352680), (8, 34764510), (10, 27811608), (11, 25283280), (12, 23176340), (15, 18541072), (16, 17382255), (20, 13905804), (22, 12641640), (24, 11588170), (30, 9270536), (33, 8427760), (40, 6952902), (44, 6320820), (48, 5794085), (55, 5056656), (60, 4635268), (61, 4559280), (66, 4213880), (80, 3476451), (88, 3160410), (110, 2528328), (120, 2317634), (121, 2298480), (122, 2279640), (132, 2106940), (157, 1771440), (165, 1685552), (176, 1580205), (183, 1519760), (220, 1264164), (240, 1158817), (242, 1149240), (244, 1139820), (264, 1053470), (305, 911856), (314, 885720), (330, 842776), (363, 766160), (366, 759880), (440, 632082), (471, 590480), (484, 574620), (488, 569910), (528, 526735), (605, 459696), (610, 455928), (628, 442860), (660, 421388), (671, 414480), (726, 383080), (732, 379940), (785, 354288), (880, 316041), (915, 303952), (942, 295240), (968, 287310), (976, 284955), (1210, 229848), (1220, 227964), (1256, 221430), (1320, 210694), (1342, 207240), (1452, 191540), (1464, 189970), (1570, 177144), (1727, 161040), (1815, 153232), (1830, 151976), (1884, 147620), (1936, 143655), (2013, 138160), (2355, 118096), (2420, 114924), (2440, 113982), (2512, 110715), (2640, 105347), (2684, 103620), (2904, 95770), (2928, 94985), (3140, 88572), (3355, 82896), (3454, 80520), (3630, 76616), (3660, 75988), (3768, 73810), (4026, 69080), (4710, 59048), (4840, 57462), (4880, 56991), (5181, 53680), (5368, 51810), (5808, 47885), (6280, 44286), (6710, 41448), (6908, 40260), (7260, 38308), (7320, 37994), (7381, 37680), (7536, 36905), (8052, 34540), (8635, 32208), (9420, 29524), (9577, 29040), (9680, 28731), (10065, 27632), (10362, 26840), (10736, 25905), (12560, 22143), (13420, 20724), (13816, 20130), (14520, 19154), (14640, 18997), (14762, 18840), (16104, 17270)]