261229320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 192

約数和(自身を含む): 957600000

約数和(自身を除く): 696370680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 121, 132, 135, 165, 180, 198, 216, 220, 242, 264, 270, 297, 330, 360, 363, 396, 440, 484, 495, 540, 594, 605, 660, 726, 792, 968, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1815, 1980, 1999, 2178, 2376, 2420, 2904, 2970, 3267, 3630, 3960, 3998, 4356, 4840, 5445, 5940, 5997, 6534, 7260, 7996, 8712, 9995, 10890, 11880, 11994, 13068, 14520, 15992, 16335, 17991, 19990, 21780, 21989, 23988, 26136, 29985, 32670, 35982, 39980, 43560, 43978, 47976, 53973, 59970, 65340, 65967, 71964, 79960, 87956, 89955, 107946, 109945, 119940, 130680, 131934, 143928, 175912, 179910, 197901, 215892, 219890, 239880, 241879, 263868, 269865, 329835, 359820, 395802, 431784, 439780, 483758, 527736, 539730, 593703, 659670, 719640, 725637, 791604, 879560, 967516, 989505, 1079460, 1187406, 1209395, 1319340, 1451274, 1583208, 1935032, 1979010, 2158920, 2176911, 2374812, 2418790, 2638680, 2902548, 2968515, 3628185, 3958020, 4353822, 4749624, 4837580, 5805096, 5937030, 6530733, 7256370, 7916040, 8707644, 9675160, 10884555, 11874060, 13061466, 14512740, 17415288, 21769110, 23748120, 26122932, 29025480, 32653665, 43538220, 52245864, 65307330, 87076440, 130614660, 261229320]

約数ペア:

[(1, 261229320), (2, 130614660), (3, 87076440), (4, 65307330), (5, 52245864), (6, 43538220), (8, 32653665), (9, 29025480), (10, 26122932), (11, 23748120), (12, 21769110), (15, 17415288), (18, 14512740), (20, 13061466), (22, 11874060), (24, 10884555), (27, 9675160), (30, 8707644), (33, 7916040), (36, 7256370), (40, 6530733), (44, 5937030), (45, 5805096), (54, 4837580), (55, 4749624), (60, 4353822), (66, 3958020), (72, 3628185), (88, 2968515), (90, 2902548), (99, 2638680), (108, 2418790), (110, 2374812), (120, 2176911), (121, 2158920), (132, 1979010), (135, 1935032), (165, 1583208), (180, 1451274), (198, 1319340), (216, 1209395), (220, 1187406), (242, 1079460), (264, 989505), (270, 967516), (297, 879560), (330, 791604), (360, 725637), (363, 719640), (396, 659670), (440, 593703), (484, 539730), (495, 527736), (540, 483758), (594, 439780), (605, 431784), (660, 395802), (726, 359820), (792, 329835), (968, 269865), (990, 263868), (1080, 241879), (1089, 239880), (1188, 219890), (1210, 215892), (1320, 197901), (1452, 179910), (1485, 175912), (1815, 143928), (1980, 131934), (1999, 130680), (2178, 119940), (2376, 109945), (2420, 107946), (2904, 89955), (2970, 87956), (3267, 79960), (3630, 71964), (3960, 65967), (3998, 65340), (4356, 59970), (4840, 53973), (5445, 47976), (5940, 43978), (5997, 43560), (6534, 39980), (7260, 35982), (7996, 32670), (8712, 29985), (9995, 26136), (10890, 23988), (11880, 21989), (11994, 21780), (13068, 19990), (14520, 17991), (15992, 16335)]