2015163560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71663}}^1$

素因数の和:71730

約数の個数: 64

約数和(自身を含む): 4901817600

約数和(自身を除く): 2886654040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 28120, 71663, 143326, 286652, 358315, 573304, 716630, 1361597, 1433260, 2651531, 2723194, 2866520, 5303062, 5446388, 6807985, 10606124, 10892776, 13257655, 13615970, 21212248, 26515310, 27231940, 50379089, 53030620, 54463880, 100758178, 106061240, 201516356, 251895445, 403032712, 503790890, 1007581780, 2015163560]

約数ペア:

[(1, 2015163560), (2, 1007581780), (4, 503790890), (5, 403032712), (8, 251895445), (10, 201516356), (19, 106061240), (20, 100758178), (37, 54463880), (38, 53030620), (40, 50379089), (74, 27231940), (76, 26515310), (95, 21212248), (148, 13615970), (152, 13257655), (185, 10892776), (190, 10606124), (296, 6807985), (370, 5446388), (380, 5303062), (703, 2866520), (740, 2723194), (760, 2651531), (1406, 1433260), (1480, 1361597), (2812, 716630), (3515, 573304), (5624, 358315), (7030, 286652), (14060, 143326), (28120, 71663)]