68121440

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 72

約数和(自身を含む): 165935952

約数和(自身を除く): 97814512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 311, 370, 592, 622, 740, 1184, 1244, 1369, 1480, 1555, 2488, 2738, 2960, 3110, 4976, 5476, 5920, 6220, 6845, 9952, 10952, 11507, 12440, 13690, 21904, 23014, 24880, 27380, 43808, 46028, 49760, 54760, 57535, 92056, 109520, 115070, 184112, 219040, 230140, 368224, 425759, 460280, 851518, 920560, 1703036, 1841120, 2128795, 3406072, 4257590, 6812144, 8515180, 13624288, 17030360, 34060720, 68121440]

約数ペア:

[(1, 68121440), (2, 34060720), (4, 17030360), (5, 13624288), (8, 8515180), (10, 6812144), (16, 4257590), (20, 3406072), (32, 2128795), (37, 1841120), (40, 1703036), (74, 920560), (80, 851518), (148, 460280), (160, 425759), (185, 368224), (296, 230140), (311, 219040), (370, 184112), (592, 115070), (622, 109520), (740, 92056), (1184, 57535), (1244, 54760), (1369, 49760), (1480, 46028), (1555, 43808), (2488, 27380), (2738, 24880), (2960, 23014), (3110, 21904), (4976, 13690), (5476, 12440), (5920, 11507), (6220, 10952), (6845, 9952)]