28887120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:829

約数の個数: 120

約数和(自身を含む): 98973576

約数和(自身を除く): 70086456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 757, 795, 848, 954, 1060, 1272, 1514, 1590, 1908, 2120, 2271, 2385, 2544, 3028, 3180, 3785, 3816, 4240, 4542, 4770, 6056, 6360, 6813, 7570, 7632, 9084, 9540, 11355, 12112, 12720, 13626, 15140, 18168, 19080, 22710, 27252, 30280, 34065, 36336, 38160, 40121, 45420, 54504, 60560, 68130, 80242, 90840, 109008, 120363, 136260, 160484, 181680, 200605, 240726, 272520, 320968, 361089, 401210, 481452, 545040, 601815, 641936, 722178, 802420, 962904, 1203630, 1444356, 1604840, 1805445, 1925808, 2407260, 2888712, 3209680, 3610890, 4814520, 5777424, 7221780, 9629040, 14443560, 28887120]

約数ペア:

[(1, 28887120), (2, 14443560), (3, 9629040), (4, 7221780), (5, 5777424), (6, 4814520), (8, 3610890), (9, 3209680), (10, 2888712), (12, 2407260), (15, 1925808), (16, 1805445), (18, 1604840), (20, 1444356), (24, 1203630), (30, 962904), (36, 802420), (40, 722178), (45, 641936), (48, 601815), (53, 545040), (60, 481452), (72, 401210), (80, 361089), (90, 320968), (106, 272520), (120, 240726), (144, 200605), (159, 181680), (180, 160484), (212, 136260), (240, 120363), (265, 109008), (318, 90840), (360, 80242), (424, 68130), (477, 60560), (530, 54504), (636, 45420), (720, 40121), (757, 38160), (795, 36336), (848, 34065), (954, 30280), (1060, 27252), (1272, 22710), (1514, 19080), (1590, 18168), (1908, 15140), (2120, 13626), (2271, 12720), (2385, 12112), (2544, 11355), (3028, 9540), (3180, 9084), (3785, 7632), (3816, 7570), (4240, 6813), (4542, 6360), (4770, 6056)]