28516440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3347}}^1$

素因数の和:3432

約数の個数: 64

約数和(自身を含む): 86780160

約数和(自身を除く): 58263720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3347, 4260, 6694, 8520, 10041, 13388, 16735, 20082, 26776, 33470, 40164, 50205, 66940, 80328, 100410, 133880, 200820, 237637, 401640, 475274, 712911, 950548, 1188185, 1425822, 1901096, 2376370, 2851644, 3564555, 4752740, 5703288, 7129110, 9505480, 14258220, 28516440]

約数ペア:

[(1, 28516440), (2, 14258220), (3, 9505480), (4, 7129110), (5, 5703288), (6, 4752740), (8, 3564555), (10, 2851644), (12, 2376370), (15, 1901096), (20, 1425822), (24, 1188185), (30, 950548), (40, 712911), (60, 475274), (71, 401640), (120, 237637), (142, 200820), (213, 133880), (284, 100410), (355, 80328), (426, 66940), (568, 50205), (710, 40164), (852, 33470), (1065, 26776), (1420, 20082), (1704, 16735), (2130, 13388), (2840, 10041), (3347, 8520), (4260, 6694)]