28243560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{631}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 85092480

約数和(自身を除く): 56848920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 373, 631, 746, 1119, 1262, 1492, 1865, 1893, 2238, 2524, 2984, 3155, 3730, 3786, 4476, 5048, 5595, 6310, 7460, 7572, 8952, 9465, 11190, 12620, 14920, 15144, 18930, 22380, 25240, 37860, 44760, 75720, 235363, 470726, 706089, 941452, 1176815, 1412178, 1882904, 2353630, 2824356, 3530445, 4707260, 5648712, 7060890, 9414520, 14121780, 28243560]

約数ペア:

[(1, 28243560), (2, 14121780), (3, 9414520), (4, 7060890), (5, 5648712), (6, 4707260), (8, 3530445), (10, 2824356), (12, 2353630), (15, 1882904), (20, 1412178), (24, 1176815), (30, 941452), (40, 706089), (60, 470726), (120, 235363), (373, 75720), (631, 44760), (746, 37860), (1119, 25240), (1262, 22380), (1492, 18930), (1865, 15144), (1893, 14920), (2238, 12620), (2524, 11190), (2984, 9465), (3155, 8952), (3730, 7572), (3786, 7460), (4476, 6310), (5048, 5595)]