205485360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 160

約数和(自身を含む): 668528640

約数和(自身を除く): 463043280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 71, 80, 93, 120, 124, 142, 155, 186, 213, 240, 248, 284, 310, 355, 372, 389, 426, 465, 496, 568, 620, 710, 744, 778, 852, 930, 1065, 1136, 1167, 1240, 1420, 1488, 1556, 1704, 1860, 1945, 2130, 2201, 2334, 2480, 2840, 3112, 3408, 3720, 3890, 4260, 4402, 4668, 5680, 5835, 6224, 6603, 7440, 7780, 8520, 8804, 9336, 11005, 11670, 12059, 13206, 15560, 17040, 17608, 18672, 22010, 23340, 24118, 26412, 27619, 31120, 33015, 35216, 36177, 44020, 46680, 48236, 52824, 55238, 60295, 66030, 72354, 82857, 88040, 93360, 96472, 105648, 110476, 120590, 132060, 138095, 144708, 165714, 176080, 180885, 192944, 220952, 241180, 264120, 276190, 289416, 331428, 361770, 414285, 441904, 482360, 528240, 552380, 578832, 662856, 723540, 828570, 856189, 964720, 1104760, 1325712, 1447080, 1657140, 1712378, 2209520, 2568567, 2894160, 3314280, 3424756, 4280945, 5137134, 6628560, 6849512, 8561890, 10274268, 12842835, 13699024, 17123780, 20548536, 25685670, 34247560, 41097072, 51371340, 68495120, 102742680, 205485360]

約数ペア:

[(1, 205485360), (2, 102742680), (3, 68495120), (4, 51371340), (5, 41097072), (6, 34247560), (8, 25685670), (10, 20548536), (12, 17123780), (15, 13699024), (16, 12842835), (20, 10274268), (24, 8561890), (30, 6849512), (31, 6628560), (40, 5137134), (48, 4280945), (60, 3424756), (62, 3314280), (71, 2894160), (80, 2568567), (93, 2209520), (120, 1712378), (124, 1657140), (142, 1447080), (155, 1325712), (186, 1104760), (213, 964720), (240, 856189), (248, 828570), (284, 723540), (310, 662856), (355, 578832), (372, 552380), (389, 528240), (426, 482360), (465, 441904), (496, 414285), (568, 361770), (620, 331428), (710, 289416), (744, 276190), (778, 264120), (852, 241180), (930, 220952), (1065, 192944), (1136, 180885), (1167, 176080), (1240, 165714), (1420, 144708), (1488, 138095), (1556, 132060), (1704, 120590), (1860, 110476), (1945, 105648), (2130, 96472), (2201, 93360), (2334, 88040), (2480, 82857), (2840, 72354), (3112, 66030), (3408, 60295), (3720, 55238), (3890, 52824), (4260, 48236), (4402, 46680), (4668, 44020), (5680, 36177), (5835, 35216), (6224, 33015), (6603, 31120), (7440, 27619), (7780, 26412), (8520, 24118), (8804, 23340), (9336, 22010), (11005, 18672), (11670, 17608), (12059, 17040), (13206, 15560)]