74991420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 240

約数和(自身を含む): 285405120

約数和(自身を除く): 210413700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 324, 340, 357, 378, 389, 405, 420, 459, 476, 510, 540, 567, 595, 612, 630, 714, 756, 765, 778, 810, 918, 945, 1020, 1071, 1134, 1167, 1190, 1260, 1377, 1428, 1530, 1556, 1620, 1785, 1836, 1890, 1945, 2142, 2268, 2295, 2334, 2380, 2723, 2754, 2835, 3060, 3213, 3501, 3570, 3780, 3890, 4284, 4590, 4668, 5355, 5446, 5508, 5670, 5835, 6426, 6613, 6885, 7002, 7140, 7780, 8169, 9180, 9639, 10503, 10710, 10892, 11340, 11670, 12852, 13226, 13615, 13770, 14004, 16065, 16338, 17505, 19278, 19839, 21006, 21420, 23340, 24507, 26452, 27230, 27540, 31509, 32130, 32676, 33065, 35010, 38556, 39678, 40845, 42012, 46291, 48195, 49014, 52515, 54460, 59517, 63018, 64260, 66130, 70020, 73521, 79356, 81690, 92582, 96390, 98028, 99195, 105030, 119034, 122535, 126036, 132260, 138873, 147042, 157545, 163380, 178551, 185164, 192780, 198390, 210060, 220563, 231455, 238068, 245070, 277746, 294084, 297585, 315090, 357102, 367605, 396780, 416619, 441126, 462910, 490140, 535653, 555492, 595170, 630180, 694365, 714204, 735210, 833238, 882252, 892755, 925820, 1071306, 1102815, 1190340, 1249857, 1388730, 1470420, 1666476, 1785510, 2083095, 2142612, 2205630, 2499714, 2678265, 2777460, 3571020, 3749571, 4166190, 4411260, 4999428, 5356530, 6249285, 7499142, 8332380, 10713060, 12498570, 14998284, 18747855, 24997140, 37495710, 74991420]

約数ペア:

[(1, 74991420), (2, 37495710), (3, 24997140), (4, 18747855), (5, 14998284), (6, 12498570), (7, 10713060), (9, 8332380), (10, 7499142), (12, 6249285), (14, 5356530), (15, 4999428), (17, 4411260), (18, 4166190), (20, 3749571), (21, 3571020), (27, 2777460), (28, 2678265), (30, 2499714), (34, 2205630), (35, 2142612), (36, 2083095), (42, 1785510), (45, 1666476), (51, 1470420), (54, 1388730), (60, 1249857), (63, 1190340), (68, 1102815), (70, 1071306), (81, 925820), (84, 892755), (85, 882252), (90, 833238), (102, 735210), (105, 714204), (108, 694365), (119, 630180), (126, 595170), (135, 555492), (140, 535653), (153, 490140), (162, 462910), (170, 441126), (180, 416619), (189, 396780), (204, 367605), (210, 357102), (238, 315090), (252, 297585), (255, 294084), (270, 277746), (306, 245070), (315, 238068), (324, 231455), (340, 220563), (357, 210060), (378, 198390), (389, 192780), (405, 185164), (420, 178551), (459, 163380), (476, 157545), (510, 147042), (540, 138873), (567, 132260), (595, 126036), (612, 122535), (630, 119034), (714, 105030), (756, 99195), (765, 98028), (778, 96390), (810, 92582), (918, 81690), (945, 79356), (1020, 73521), (1071, 70020), (1134, 66130), (1167, 64260), (1190, 63018), (1260, 59517), (1377, 54460), (1428, 52515), (1530, 49014), (1556, 48195), (1620, 46291), (1785, 42012), (1836, 40845), (1890, 39678), (1945, 38556), (2142, 35010), (2268, 33065), (2295, 32676), (2334, 32130), (2380, 31509), (2723, 27540), (2754, 27230), (2835, 26452), (3060, 24507), (3213, 23340), (3501, 21420), (3570, 21006), (3780, 19839), (3890, 19278), (4284, 17505), (4590, 16338), (4668, 16065), (5355, 14004), (5446, 13770), (5508, 13615), (5670, 13226), (5835, 12852), (6426, 11670), (6613, 11340), (6885, 10892), (7002, 10710), (7140, 10503), (7780, 9639), (8169, 9180)]