68156800

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 180708300

約数和(自身を除く): 112551500

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 59, 64, 76, 80, 95, 100, 118, 128, 152, 160, 190, 200, 236, 295, 304, 320, 361, 380, 400, 472, 475, 590, 608, 640, 722, 760, 800, 944, 950, 1121, 1180, 1216, 1444, 1475, 1520, 1600, 1805, 1888, 1900, 2242, 2360, 2432, 2888, 2950, 3040, 3200, 3610, 3776, 3800, 4484, 4720, 5605, 5776, 5900, 6080, 7220, 7552, 7600, 8968, 9025, 9440, 11210, 11552, 11800, 12160, 14440, 15200, 17936, 18050, 18880, 21299, 22420, 23104, 23600, 28025, 28880, 30400, 35872, 36100, 37760, 42598, 44840, 46208, 47200, 56050, 57760, 60800, 71744, 72200, 85196, 89680, 94400, 106495, 112100, 115520, 143488, 144400, 170392, 179360, 188800, 212990, 224200, 231040, 288800, 340784, 358720, 425980, 448400, 532475, 577600, 681568, 717440, 851960, 896800, 1064950, 1155200, 1363136, 1703920, 1793600, 2129900, 2726272, 3407840, 3587200, 4259800, 6815680, 8519600, 13631360, 17039200, 34078400, 68156800]

約数ペア:

[(1, 68156800), (2, 34078400), (4, 17039200), (5, 13631360), (8, 8519600), (10, 6815680), (16, 4259800), (19, 3587200), (20, 3407840), (25, 2726272), (32, 2129900), (38, 1793600), (40, 1703920), (50, 1363136), (59, 1155200), (64, 1064950), (76, 896800), (80, 851960), (95, 717440), (100, 681568), (118, 577600), (128, 532475), (152, 448400), (160, 425980), (190, 358720), (200, 340784), (236, 288800), (295, 231040), (304, 224200), (320, 212990), (361, 188800), (380, 179360), (400, 170392), (472, 144400), (475, 143488), (590, 115520), (608, 112100), (640, 106495), (722, 94400), (760, 89680), (800, 85196), (944, 72200), (950, 71744), (1121, 60800), (1180, 57760), (1216, 56050), (1444, 47200), (1475, 46208), (1520, 44840), (1600, 42598), (1805, 37760), (1888, 36100), (1900, 35872), (2242, 30400), (2360, 28880), (2432, 28025), (2888, 23600), (2950, 23104), (3040, 22420), (3200, 21299), (3610, 18880), (3776, 18050), (3800, 17936), (4484, 15200), (4720, 14440), (5605, 12160), (5776, 11800), (5900, 11552), (6080, 11210), (7220, 9440), (7552, 9025), (7600, 8968)]