888888240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9721}}^1$

素因数の和:9867

約数の個数: 120

約数和(自身を含む): 3008997888

約数和(自身を除く): 2120109648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 1016, 1143, 1270, 1524, 1905, 2032, 2286, 2540, 3048, 3810, 4572, 5080, 5715, 6096, 7620, 9144, 9721, 10160, 11430, 15240, 18288, 19442, 22860, 29163, 30480, 38884, 45720, 48605, 58326, 77768, 87489, 91440, 97210, 116652, 145815, 155536, 174978, 194420, 233304, 291630, 349956, 388840, 437445, 466608, 583260, 699912, 777680, 874890, 1166520, 1234567, 1399824, 1749780, 2333040, 2469134, 3499560, 3703701, 4938268, 6172835, 6999120, 7407402, 9876536, 11111103, 12345670, 14814804, 18518505, 19753072, 22222206, 24691340, 29629608, 37037010, 44444412, 49382680, 55555515, 59259216, 74074020, 88888824, 98765360, 111111030, 148148040, 177777648, 222222060, 296296080, 444444120, 888888240]

約数ペア:

[(1, 888888240), (2, 444444120), (3, 296296080), (4, 222222060), (5, 177777648), (6, 148148040), (8, 111111030), (9, 98765360), (10, 88888824), (12, 74074020), (15, 59259216), (16, 55555515), (18, 49382680), (20, 44444412), (24, 37037010), (30, 29629608), (36, 24691340), (40, 22222206), (45, 19753072), (48, 18518505), (60, 14814804), (72, 12345670), (80, 11111103), (90, 9876536), (120, 7407402), (127, 6999120), (144, 6172835), (180, 4938268), (240, 3703701), (254, 3499560), (360, 2469134), (381, 2333040), (508, 1749780), (635, 1399824), (720, 1234567), (762, 1166520), (1016, 874890), (1143, 777680), (1270, 699912), (1524, 583260), (1905, 466608), (2032, 437445), (2286, 388840), (2540, 349956), (3048, 291630), (3810, 233304), (4572, 194420), (5080, 174978), (5715, 155536), (6096, 145815), (7620, 116652), (9144, 97210), (9721, 91440), (10160, 87489), (11430, 77768), (15240, 58326), (18288, 48605), (19442, 45720), (22860, 38884), (29163, 30480)]