28001340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2131}}^1$

素因数の和:2219

約数の個数: 72

約数和(自身を含む): 86141328

約数和(自身を除く): 58139988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2131, 2190, 2628, 3285, 4262, 4380, 6393, 6570, 8524, 10655, 12786, 13140, 19179, 21310, 25572, 31965, 38358, 42620, 63930, 76716, 95895, 127860, 155563, 191790, 311126, 383580, 466689, 622252, 777815, 933378, 1400067, 1555630, 1866756, 2333445, 2800134, 3111260, 4666890, 5600268, 7000335, 9333780, 14000670, 28001340]

約数ペア:

[(1, 28001340), (2, 14000670), (3, 9333780), (4, 7000335), (5, 5600268), (6, 4666890), (9, 3111260), (10, 2800134), (12, 2333445), (15, 1866756), (18, 1555630), (20, 1400067), (30, 933378), (36, 777815), (45, 622252), (60, 466689), (73, 383580), (90, 311126), (146, 191790), (180, 155563), (219, 127860), (292, 95895), (365, 76716), (438, 63930), (657, 42620), (730, 38358), (876, 31965), (1095, 25572), (1314, 21310), (1460, 19179), (2131, 13140), (2190, 12786), (2628, 10655), (3285, 8524), (4262, 6570), (4380, 6393)]