77071720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1607}}^1$

素因数の和:1738

約数の個数: 64

約数和(自身を含む): 191030400

約数和(自身を除く): 113958680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 1607, 2180, 2398, 3214, 4360, 4796, 5995, 6428, 8035, 9592, 11990, 12856, 16070, 17677, 23980, 32140, 35354, 47960, 64280, 70708, 88385, 141416, 175163, 176770, 350326, 353540, 700652, 707080, 875815, 1401304, 1751630, 1926793, 3503260, 3853586, 7006520, 7707172, 9633965, 15414344, 19267930, 38535860, 77071720]

約数ペア:

[(1, 77071720), (2, 38535860), (4, 19267930), (5, 15414344), (8, 9633965), (10, 7707172), (11, 7006520), (20, 3853586), (22, 3503260), (40, 1926793), (44, 1751630), (55, 1401304), (88, 875815), (109, 707080), (110, 700652), (218, 353540), (220, 350326), (436, 176770), (440, 175163), (545, 141416), (872, 88385), (1090, 70708), (1199, 64280), (1607, 47960), (2180, 35354), (2398, 32140), (3214, 23980), (4360, 17677), (4796, 16070), (5995, 12856), (6428, 11990), (8035, 9592)]