1427885840

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1759}}^1$

素因数の和:1984

約数の個数: 80

約数和(自身を含む): 3391449600

約数和(自身を除く): 1963563760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 139, 146, 278, 292, 365, 556, 584, 695, 730, 1112, 1168, 1390, 1460, 1759, 2224, 2780, 2920, 3518, 5560, 5840, 7036, 8795, 10147, 11120, 14072, 17590, 20294, 28144, 35180, 40588, 50735, 70360, 81176, 101470, 128407, 140720, 162352, 202940, 244501, 256814, 405880, 489002, 513628, 642035, 811760, 978004, 1027256, 1222505, 1284070, 1956008, 2054512, 2445010, 2568140, 3912016, 4890020, 5136280, 9780040, 10272560, 17848573, 19560080, 35697146, 71394292, 89242865, 142788584, 178485730, 285577168, 356971460, 713942920, 1427885840]

約数ペア:

[(1, 1427885840), (2, 713942920), (4, 356971460), (5, 285577168), (8, 178485730), (10, 142788584), (16, 89242865), (20, 71394292), (40, 35697146), (73, 19560080), (80, 17848573), (139, 10272560), (146, 9780040), (278, 5136280), (292, 4890020), (365, 3912016), (556, 2568140), (584, 2445010), (695, 2054512), (730, 1956008), (1112, 1284070), (1168, 1222505), (1390, 1027256), (1460, 978004), (1759, 811760), (2224, 642035), (2780, 513628), (2920, 489002), (3518, 405880), (5560, 256814), (5840, 244501), (7036, 202940), (8795, 162352), (10147, 140720), (11120, 128407), (14072, 101470), (17590, 81176), (20294, 70360), (28144, 50735), (35180, 40588)]