81520560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 320

約数和(自身を含む): 317122560

約数和(自身を除く): 235602000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 47, 48, 54, 55, 60, 66, 72, 73, 80, 88, 90, 94, 99, 108, 110, 120, 132, 135, 141, 144, 146, 165, 176, 180, 188, 198, 216, 219, 220, 235, 240, 264, 270, 282, 292, 297, 330, 360, 365, 376, 396, 423, 432, 438, 440, 470, 495, 517, 528, 540, 564, 584, 594, 657, 660, 705, 720, 730, 752, 792, 803, 846, 876, 880, 940, 990, 1034, 1080, 1095, 1128, 1168, 1188, 1269, 1314, 1320, 1410, 1460, 1485, 1551, 1584, 1606, 1692, 1752, 1880, 1971, 1980, 2068, 2115, 2160, 2190, 2256, 2376, 2409, 2538, 2585, 2628, 2640, 2820, 2920, 2970, 3102, 3212, 3285, 3384, 3431, 3504, 3760, 3942, 3960, 4015, 4136, 4230, 4380, 4653, 4752, 4818, 5076, 5170, 5256, 5640, 5840, 5940, 6204, 6345, 6424, 6570, 6768, 6862, 7227, 7755, 7884, 7920, 8030, 8272, 8460, 8760, 9306, 9636, 9855, 10152, 10293, 10340, 10512, 11280, 11880, 12045, 12408, 12690, 12848, 13140, 13724, 13959, 14454, 15510, 15768, 16060, 16920, 17155, 17520, 18612, 19272, 19710, 20304, 20586, 20680, 21681, 23265, 23760, 24090, 24816, 25380, 26280, 27448, 27918, 28908, 30879, 31020, 31536, 32120, 33840, 34310, 36135, 37224, 37741, 38544, 39420, 41172, 41360, 43362, 46530, 48180, 50760, 51465, 52560, 54896, 55836, 57816, 61758, 62040, 64240, 68620, 69795, 72270, 74448, 75482, 78840, 82344, 86724, 92637, 93060, 96360, 101520, 102930, 108405, 111672, 113223, 115632, 123516, 124080, 137240, 139590, 144540, 150964, 154395, 157680, 164688, 173448, 185274, 186120, 188705, 192720, 205860, 216810, 223344, 226446, 247032, 274480, 279180, 289080, 301928, 308790, 339669, 346896, 370548, 372240, 377410, 411720, 433620, 452892, 463185, 494064, 558360, 566115, 578160, 603856, 617580, 679338, 741096, 754820, 823440, 867240, 905784, 926370, 1019007, 1116720, 1132230, 1235160, 1358676, 1482192, 1509640, 1698345, 1734480, 1811568, 1852740, 2038014, 2264460, 2470320, 2717352, 3019280, 3396690, 3705480, 4076028, 4528920, 5095035, 5434704, 6793380, 7410960, 8152056, 9057840, 10190070, 13586760, 16304112, 20380140, 27173520, 40760280, 81520560]

約数ペア:

[(1, 81520560), (2, 40760280), (3, 27173520), (4, 20380140), (5, 16304112), (6, 13586760), (8, 10190070), (9, 9057840), (10, 8152056), (11, 7410960), (12, 6793380), (15, 5434704), (16, 5095035), (18, 4528920), (20, 4076028), (22, 3705480), (24, 3396690), (27, 3019280), (30, 2717352), (33, 2470320), (36, 2264460), (40, 2038014), (44, 1852740), (45, 1811568), (47, 1734480), (48, 1698345), (54, 1509640), (55, 1482192), (60, 1358676), (66, 1235160), (72, 1132230), (73, 1116720), (80, 1019007), (88, 926370), (90, 905784), (94, 867240), (99, 823440), (108, 754820), (110, 741096), (120, 679338), (132, 617580), (135, 603856), (141, 578160), (144, 566115), (146, 558360), (165, 494064), (176, 463185), (180, 452892), (188, 433620), (198, 411720), (216, 377410), (219, 372240), (220, 370548), (235, 346896), (240, 339669), (264, 308790), (270, 301928), (282, 289080), (292, 279180), (297, 274480), (330, 247032), (360, 226446), (365, 223344), (376, 216810), (396, 205860), (423, 192720), (432, 188705), (438, 186120), (440, 185274), (470, 173448), (495, 164688), (517, 157680), (528, 154395), (540, 150964), (564, 144540), (584, 139590), (594, 137240), (657, 124080), (660, 123516), (705, 115632), (720, 113223), (730, 111672), (752, 108405), (792, 102930), (803, 101520), (846, 96360), (876, 93060), (880, 92637), (940, 86724), (990, 82344), (1034, 78840), (1080, 75482), (1095, 74448), (1128, 72270), (1168, 69795), (1188, 68620), (1269, 64240), (1314, 62040), (1320, 61758), (1410, 57816), (1460, 55836), (1485, 54896), (1551, 52560), (1584, 51465), (1606, 50760), (1692, 48180), (1752, 46530), (1880, 43362), (1971, 41360), (1980, 41172), (2068, 39420), (2115, 38544), (2160, 37741), (2190, 37224), (2256, 36135), (2376, 34310), (2409, 33840), (2538, 32120), (2585, 31536), (2628, 31020), (2640, 30879), (2820, 28908), (2920, 27918), (2970, 27448), (3102, 26280), (3212, 25380), (3285, 24816), (3384, 24090), (3431, 23760), (3504, 23265), (3760, 21681), (3942, 20680), (3960, 20586), (4015, 20304), (4136, 19710), (4230, 19272), (4380, 18612), (4653, 17520), (4752, 17155), (4818, 16920), (5076, 16060), (5170, 15768), (5256, 15510), (5640, 14454), (5840, 13959), (5940, 13724), (6204, 13140), (6345, 12848), (6424, 12690), (6570, 12408), (6768, 12045), (6862, 11880), (7227, 11280), (7755, 10512), (7884, 10340), (7920, 10293), (8030, 10152), (8272, 9855), (8460, 9636), (8760, 9306)]