28286460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{941}}^1$

素因数の和:1123

約数の個数: 72

約数和(自身を含む): 86407776

約数和(自身を除く): 58121316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 941, 1002, 1503, 1670, 1882, 2004, 2505, 2823, 3006, 3340, 3764, 4705, 5010, 5646, 6012, 7515, 8469, 9410, 10020, 11292, 14115, 15030, 16938, 18820, 28230, 30060, 33876, 42345, 56460, 84690, 157147, 169380, 314294, 471441, 628588, 785735, 942882, 1414323, 1571470, 1885764, 2357205, 2828646, 3142940, 4714410, 5657292, 7071615, 9428820, 14143230, 28286460]

約数ペア:

[(1, 28286460), (2, 14143230), (3, 9428820), (4, 7071615), (5, 5657292), (6, 4714410), (9, 3142940), (10, 2828646), (12, 2357205), (15, 1885764), (18, 1571470), (20, 1414323), (30, 942882), (36, 785735), (45, 628588), (60, 471441), (90, 314294), (167, 169380), (180, 157147), (334, 84690), (501, 56460), (668, 42345), (835, 33876), (941, 30060), (1002, 28230), (1503, 18820), (1670, 16938), (1882, 15030), (2004, 14115), (2505, 11292), (2823, 10020), (3006, 9410), (3340, 8469), (3764, 7515), (4705, 6012), (5010, 5646)]