2872781560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2341}}^1\times {\mathrm{2789}}^1$

素因数の和:5152

約数の個数: 64

約数和(自身を含む): 7056914400

約数和(自身を除く): 4184132840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2341, 2789, 4682, 5578, 9364, 11156, 11705, 13945, 18728, 22312, 23410, 25751, 27890, 30679, 46820, 51502, 55780, 61358, 93640, 103004, 111560, 122716, 128755, 153395, 206008, 245432, 257510, 306790, 515020, 613580, 1030040, 1227160, 6529049, 13058098, 26116196, 32645245, 52232392, 65290490, 71819539, 130580980, 143639078, 261161960, 287278156, 359097695, 574556312, 718195390, 1436390780, 2872781560]

約数ペア:

[(1, 2872781560), (2, 1436390780), (4, 718195390), (5, 574556312), (8, 359097695), (10, 287278156), (11, 261161960), (20, 143639078), (22, 130580980), (40, 71819539), (44, 65290490), (55, 52232392), (88, 32645245), (110, 26116196), (220, 13058098), (440, 6529049), (2341, 1227160), (2789, 1030040), (4682, 613580), (5578, 515020), (9364, 306790), (11156, 257510), (11705, 245432), (13945, 206008), (18728, 153395), (22312, 128755), (23410, 122716), (25751, 111560), (27890, 103004), (30679, 93640), (46820, 61358), (51502, 55780)]