20197716480

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12347}}^1$

素因数の和:12447

約数の個数: 240

約数和(自身を含む): 70941334464

約数和(自身を除く): 50743617984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 256, 284, 288, 320, 355, 360, 384, 426, 480, 512, 568, 576, 639, 640, 710, 720, 768, 852, 960, 1065, 1136, 1152, 1278, 1280, 1420, 1440, 1536, 1704, 1920, 2130, 2272, 2304, 2556, 2560, 2840, 2880, 3195, 3408, 3840, 4260, 4544, 4608, 5112, 5680, 5760, 6390, 6816, 7680, 8520, 9088, 10224, 11360, 11520, 12347, 12780, 13632, 17040, 18176, 20448, 22720, 23040, 24694, 25560, 27264, 34080, 36352, 37041, 40896, 45440, 49388, 51120, 54528, 61735, 68160, 74082, 81792, 90880, 98776, 102240, 109056, 111123, 123470, 136320, 148164, 163584, 181760, 185205, 197552, 204480, 222246, 246940, 272640, 296328, 327168, 370410, 395104, 408960, 444492, 493880, 545280, 555615, 592656, 740820, 790208, 817920, 876637, 888984, 987760, 1111230, 1185312, 1481640, 1580416, 1635840, 1753274, 1777968, 1975520, 2222460, 2370624, 2629911, 2963280, 3160832, 3506548, 3555936, 3951040, 4383185, 4444920, 4741248, 5259822, 5926560, 6321664, 7013096, 7111872, 7889733, 7902080, 8766370, 8889840, 9482496, 10519644, 11853120, 13149555, 14026192, 14223744, 15779466, 15804160, 17532740, 17779680, 18964992, 21039288, 23706240, 26299110, 28052384, 28447488, 31558932, 31608320, 35065480, 35559360, 39448665, 42078576, 47412480, 52598220, 56104768, 56894976, 63117864, 70130960, 71118720, 78897330, 84157152, 94824960, 105196440, 112209536, 126235728, 140261920, 142237440, 157794660, 168314304, 210392880, 224419072, 252471456, 280523840, 284474880, 315589320, 336628608, 420785760, 448838144, 504942912, 561047680, 631178640, 673257216, 841571520, 1009885824, 1122095360, 1262357280, 1346514432, 1683143040, 2019771648, 2244190720, 2524714560, 3366286080, 4039543296, 5049429120, 6732572160, 10098858240, 20197716480]

約数ペア:

[(1, 20197716480), (2, 10098858240), (3, 6732572160), (4, 5049429120), (5, 4039543296), (6, 3366286080), (8, 2524714560), (9, 2244190720), (10, 2019771648), (12, 1683143040), (15, 1346514432), (16, 1262357280), (18, 1122095360), (20, 1009885824), (24, 841571520), (30, 673257216), (32, 631178640), (36, 561047680), (40, 504942912), (45, 448838144), (48, 420785760), (60, 336628608), (64, 315589320), (71, 284474880), (72, 280523840), (80, 252471456), (90, 224419072), (96, 210392880), (120, 168314304), (128, 157794660), (142, 142237440), (144, 140261920), (160, 126235728), (180, 112209536), (192, 105196440), (213, 94824960), (240, 84157152), (256, 78897330), (284, 71118720), (288, 70130960), (320, 63117864), (355, 56894976), (360, 56104768), (384, 52598220), (426, 47412480), (480, 42078576), (512, 39448665), (568, 35559360), (576, 35065480), (639, 31608320), (640, 31558932), (710, 28447488), (720, 28052384), (768, 26299110), (852, 23706240), (960, 21039288), (1065, 18964992), (1136, 17779680), (1152, 17532740), (1278, 15804160), (1280, 15779466), (1420, 14223744), (1440, 14026192), (1536, 13149555), (1704, 11853120), (1920, 10519644), (2130, 9482496), (2272, 8889840), (2304, 8766370), (2556, 7902080), (2560, 7889733), (2840, 7111872), (2880, 7013096), (3195, 6321664), (3408, 5926560), (3840, 5259822), (4260, 4741248), (4544, 4444920), (4608, 4383185), (5112, 3951040), (5680, 3555936), (5760, 3506548), (6390, 3160832), (6816, 2963280), (7680, 2629911), (8520, 2370624), (9088, 2222460), (10224, 1975520), (11360, 1777968), (11520, 1753274), (12347, 1635840), (12780, 1580416), (13632, 1481640), (17040, 1185312), (18176, 1111230), (20448, 987760), (22720, 888984), (23040, 876637), (24694, 817920), (25560, 790208), (27264, 740820), (34080, 592656), (36352, 555615), (37041, 545280), (40896, 493880), (45440, 444492), (49388, 408960), (51120, 395104), (54528, 370410), (61735, 327168), (68160, 296328), (74082, 272640), (81792, 246940), (90880, 222246), (98776, 204480), (102240, 197552), (109056, 185205), (111123, 181760), (123470, 163584), (136320, 148164)]