215746440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:916

約数の個数: 256

約数和(自身を含む): 832204800

約数和(自身を除く): 616458360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 728, 780, 805, 840, 859, 897, 910, 920, 966, 1092, 1196, 1288, 1365, 1380, 1495, 1560, 1610, 1718, 1794, 1820, 1932, 2093, 2184, 2392, 2415, 2577, 2730, 2760, 2990, 3220, 3436, 3588, 3640, 3864, 4186, 4295, 4485, 4830, 5154, 5460, 5980, 6013, 6279, 6440, 6872, 7176, 8372, 8590, 8970, 9660, 10308, 10465, 10920, 11167, 11960, 12026, 12558, 12885, 16744, 17180, 17940, 18039, 19320, 19757, 20616, 20930, 22334, 24052, 25116, 25770, 30065, 31395, 33501, 34360, 35880, 36078, 39514, 41860, 44668, 48104, 50232, 51540, 55835, 59271, 60130, 62790, 67002, 72156, 78169, 79028, 83720, 89336, 90195, 98785, 103080, 111670, 118542, 120260, 125580, 134004, 138299, 144312, 156338, 158056, 167505, 180390, 197570, 223340, 234507, 237084, 240520, 251160, 256841, 268008, 276598, 296355, 312676, 335010, 360780, 390845, 395140, 414897, 446680, 469014, 474168, 513682, 553196, 592710, 625352, 670020, 691495, 721560, 770523, 781690, 790280, 829794, 938028, 1027364, 1106392, 1172535, 1185420, 1284205, 1340040, 1382990, 1541046, 1563380, 1659588, 1797887, 1876056, 2054728, 2074485, 2345070, 2370840, 2568410, 2765980, 3082092, 3126760, 3319176, 3595774, 3852615, 4148970, 4690140, 5136820, 5393661, 5531960, 6164184, 7191548, 7705230, 8297940, 8989435, 9380280, 10273640, 10787322, 14383096, 15410460, 16595880, 17978870, 21574644, 26968305, 30820920, 35957740, 43149288, 53936610, 71915480, 107873220, 215746440]

約数ペア:

[(1, 215746440), (2, 107873220), (3, 71915480), (4, 53936610), (5, 43149288), (6, 35957740), (7, 30820920), (8, 26968305), (10, 21574644), (12, 17978870), (13, 16595880), (14, 15410460), (15, 14383096), (20, 10787322), (21, 10273640), (23, 9380280), (24, 8989435), (26, 8297940), (28, 7705230), (30, 7191548), (35, 6164184), (39, 5531960), (40, 5393661), (42, 5136820), (46, 4690140), (52, 4148970), (56, 3852615), (60, 3595774), (65, 3319176), (69, 3126760), (70, 3082092), (78, 2765980), (84, 2568410), (91, 2370840), (92, 2345070), (104, 2074485), (105, 2054728), (115, 1876056), (120, 1797887), (130, 1659588), (138, 1563380), (140, 1541046), (156, 1382990), (161, 1340040), (168, 1284205), (182, 1185420), (184, 1172535), (195, 1106392), (210, 1027364), (230, 938028), (260, 829794), (273, 790280), (276, 781690), (280, 770523), (299, 721560), (312, 691495), (322, 670020), (345, 625352), (364, 592710), (390, 553196), (420, 513682), (455, 474168), (460, 469014), (483, 446680), (520, 414897), (546, 395140), (552, 390845), (598, 360780), (644, 335010), (690, 312676), (728, 296355), (780, 276598), (805, 268008), (840, 256841), (859, 251160), (897, 240520), (910, 237084), (920, 234507), (966, 223340), (1092, 197570), (1196, 180390), (1288, 167505), (1365, 158056), (1380, 156338), (1495, 144312), (1560, 138299), (1610, 134004), (1718, 125580), (1794, 120260), (1820, 118542), (1932, 111670), (2093, 103080), (2184, 98785), (2392, 90195), (2415, 89336), (2577, 83720), (2730, 79028), (2760, 78169), (2990, 72156), (3220, 67002), (3436, 62790), (3588, 60130), (3640, 59271), (3864, 55835), (4186, 51540), (4295, 50232), (4485, 48104), (4830, 44668), (5154, 41860), (5460, 39514), (5980, 36078), (6013, 35880), (6279, 34360), (6440, 33501), (6872, 31395), (7176, 30065), (8372, 25770), (8590, 25116), (8970, 24052), (9660, 22334), (10308, 20930), (10465, 20616), (10920, 19757), (11167, 19320), (11960, 18039), (12026, 17940), (12558, 17180), (12885, 16744)]