81148320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 288

約数和(自身を含む): 311351040

約数和(自身を除く): 230202720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 47, 48, 55, 60, 66, 72, 80, 88, 90, 94, 96, 99, 109, 110, 120, 132, 141, 144, 160, 165, 176, 180, 188, 198, 218, 220, 235, 240, 264, 282, 288, 327, 330, 352, 360, 376, 396, 423, 436, 440, 470, 480, 495, 517, 528, 545, 564, 654, 660, 705, 720, 752, 792, 846, 872, 880, 940, 981, 990, 1034, 1056, 1090, 1128, 1199, 1308, 1320, 1410, 1440, 1504, 1551, 1584, 1635, 1692, 1744, 1760, 1880, 1962, 1980, 2068, 2115, 2180, 2256, 2398, 2585, 2616, 2640, 2820, 3102, 3168, 3270, 3384, 3488, 3597, 3760, 3924, 3960, 4136, 4230, 4360, 4512, 4653, 4796, 4905, 5123, 5170, 5232, 5280, 5640, 5995, 6204, 6540, 6768, 7194, 7520, 7755, 7848, 7920, 8272, 8460, 8720, 9306, 9592, 9810, 10246, 10340, 10464, 10791, 11280, 11990, 12408, 13080, 13536, 14388, 15369, 15510, 15696, 15840, 16544, 16920, 17440, 17985, 18612, 19184, 19620, 20492, 20680, 21582, 22560, 23265, 23980, 24816, 25615, 26160, 28776, 30738, 31020, 31392, 33840, 35970, 37224, 38368, 39240, 40984, 41360, 43164, 46107, 46530, 47960, 49632, 51230, 52320, 53955, 56353, 57552, 61476, 62040, 67680, 71940, 74448, 76845, 78480, 81968, 82720, 86328, 92214, 93060, 95920, 102460, 107910, 112706, 115104, 122952, 124080, 143880, 148896, 153690, 156960, 163936, 169059, 172656, 184428, 186120, 191840, 204920, 215820, 225412, 230535, 245904, 248160, 281765, 287760, 307380, 338118, 345312, 368856, 372240, 409840, 431640, 450824, 461070, 491808, 507177, 563530, 575520, 614760, 676236, 737712, 744480, 819680, 845295, 863280, 901648, 922140, 1014354, 1127060, 1229520, 1352472, 1475424, 1690590, 1726560, 1803296, 1844280, 2028708, 2254120, 2459040, 2535885, 2704944, 3381180, 3688560, 4057416, 4508240, 5071770, 5409888, 6762360, 7377120, 8114832, 9016480, 10143540, 13524720, 16229664, 20287080, 27049440, 40574160, 81148320]

約数ペア:

[(1, 81148320), (2, 40574160), (3, 27049440), (4, 20287080), (5, 16229664), (6, 13524720), (8, 10143540), (9, 9016480), (10, 8114832), (11, 7377120), (12, 6762360), (15, 5409888), (16, 5071770), (18, 4508240), (20, 4057416), (22, 3688560), (24, 3381180), (30, 2704944), (32, 2535885), (33, 2459040), (36, 2254120), (40, 2028708), (44, 1844280), (45, 1803296), (47, 1726560), (48, 1690590), (55, 1475424), (60, 1352472), (66, 1229520), (72, 1127060), (80, 1014354), (88, 922140), (90, 901648), (94, 863280), (96, 845295), (99, 819680), (109, 744480), (110, 737712), (120, 676236), (132, 614760), (141, 575520), (144, 563530), (160, 507177), (165, 491808), (176, 461070), (180, 450824), (188, 431640), (198, 409840), (218, 372240), (220, 368856), (235, 345312), (240, 338118), (264, 307380), (282, 287760), (288, 281765), (327, 248160), (330, 245904), (352, 230535), (360, 225412), (376, 215820), (396, 204920), (423, 191840), (436, 186120), (440, 184428), (470, 172656), (480, 169059), (495, 163936), (517, 156960), (528, 153690), (545, 148896), (564, 143880), (654, 124080), (660, 122952), (705, 115104), (720, 112706), (752, 107910), (792, 102460), (846, 95920), (872, 93060), (880, 92214), (940, 86328), (981, 82720), (990, 81968), (1034, 78480), (1056, 76845), (1090, 74448), (1128, 71940), (1199, 67680), (1308, 62040), (1320, 61476), (1410, 57552), (1440, 56353), (1504, 53955), (1551, 52320), (1584, 51230), (1635, 49632), (1692, 47960), (1744, 46530), (1760, 46107), (1880, 43164), (1962, 41360), (1980, 40984), (2068, 39240), (2115, 38368), (2180, 37224), (2256, 35970), (2398, 33840), (2585, 31392), (2616, 31020), (2640, 30738), (2820, 28776), (3102, 26160), (3168, 25615), (3270, 24816), (3384, 23980), (3488, 23265), (3597, 22560), (3760, 21582), (3924, 20680), (3960, 20492), (4136, 19620), (4230, 19184), (4360, 18612), (4512, 17985), (4653, 17440), (4796, 16920), (4905, 16544), (5123, 15840), (5170, 15696), (5232, 15510), (5280, 15369), (5640, 14388), (5995, 13536), (6204, 13080), (6540, 12408), (6768, 11990), (7194, 11280), (7520, 10791), (7755, 10464), (7848, 10340), (7920, 10246), (8272, 9810), (8460, 9592), (8720, 9306)]