480928880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:922

約数の個数: 80

約数和(自身を含む): 1146280800

約数和(自身を除く): 665351920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 139, 244, 278, 305, 488, 556, 610, 695, 709, 976, 1112, 1220, 1390, 1418, 2224, 2440, 2780, 2836, 3545, 4880, 5560, 5672, 7090, 8479, 11120, 11344, 14180, 16958, 28360, 33916, 42395, 43249, 56720, 67832, 84790, 86498, 98551, 135664, 169580, 172996, 197102, 216245, 339160, 345992, 394204, 432490, 492755, 678320, 691984, 788408, 864980, 985510, 1576816, 1729960, 1971020, 3459920, 3942040, 6011611, 7884080, 12023222, 24046444, 30058055, 48092888, 60116110, 96185776, 120232220, 240464440, 480928880]

約数ペア:

[(1, 480928880), (2, 240464440), (4, 120232220), (5, 96185776), (8, 60116110), (10, 48092888), (16, 30058055), (20, 24046444), (40, 12023222), (61, 7884080), (80, 6011611), (122, 3942040), (139, 3459920), (244, 1971020), (278, 1729960), (305, 1576816), (488, 985510), (556, 864980), (610, 788408), (695, 691984), (709, 678320), (976, 492755), (1112, 432490), (1220, 394204), (1390, 345992), (1418, 339160), (2224, 216245), (2440, 197102), (2780, 172996), (2836, 169580), (3545, 135664), (4880, 98551), (5560, 86498), (5672, 84790), (7090, 67832), (8479, 56720), (11120, 43249), (11344, 42395), (14180, 33916), (16958, 28360)]