516668720

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 1222525920

約数和(自身を除く): 705857200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 193, 218, 307, 386, 436, 545, 614, 772, 872, 965, 1090, 1228, 1535, 1544, 1744, 1930, 2180, 2456, 3070, 3088, 3860, 4360, 4912, 6140, 7720, 8720, 12280, 15440, 21037, 24560, 33463, 42074, 59251, 66926, 84148, 105185, 118502, 133852, 167315, 168296, 210370, 237004, 267704, 296255, 334630, 336592, 420740, 474008, 535408, 592510, 669260, 841480, 948016, 1185020, 1338520, 1682960, 2370040, 2677040, 4740080, 6458359, 12916718, 25833436, 32291795, 51666872, 64583590, 103333744, 129167180, 258334360, 516668720]

約数ペア:

[(1, 516668720), (2, 258334360), (4, 129167180), (5, 103333744), (8, 64583590), (10, 51666872), (16, 32291795), (20, 25833436), (40, 12916718), (80, 6458359), (109, 4740080), (193, 2677040), (218, 2370040), (307, 1682960), (386, 1338520), (436, 1185020), (545, 948016), (614, 841480), (772, 669260), (872, 592510), (965, 535408), (1090, 474008), (1228, 420740), (1535, 336592), (1544, 334630), (1744, 296255), (1930, 267704), (2180, 237004), (2456, 210370), (3070, 168296), (3088, 167315), (3860, 133852), (4360, 118502), (4912, 105185), (6140, 84148), (7720, 66926), (8720, 59251), (12280, 42074), (15440, 33463), (21037, 24560)]