255404520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2357}}^1$

素因数の和:2424

約数の個数: 192

約数和(自身を含む): 971118720

約数和(自身を除く): 715714200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 56, 60, 63, 70, 72, 84, 86, 90, 105, 120, 126, 129, 140, 168, 172, 180, 210, 215, 252, 258, 280, 301, 315, 344, 360, 387, 420, 430, 504, 516, 602, 630, 645, 774, 840, 860, 903, 1032, 1204, 1260, 1290, 1505, 1548, 1720, 1806, 1935, 2357, 2408, 2520, 2580, 2709, 3010, 3096, 3612, 3870, 4515, 4714, 5160, 5418, 6020, 7071, 7224, 7740, 9030, 9428, 10836, 11785, 12040, 13545, 14142, 15480, 16499, 18060, 18856, 21213, 21672, 23570, 27090, 28284, 32998, 35355, 36120, 42426, 47140, 49497, 54180, 56568, 65996, 70710, 82495, 84852, 94280, 98994, 101351, 106065, 108360, 131992, 141420, 148491, 164990, 169704, 197988, 202702, 212130, 247485, 282840, 296982, 304053, 329980, 395976, 405404, 424260, 494970, 506755, 593964, 608106, 659960, 709457, 742455, 810808, 848520, 912159, 989940, 1013510, 1187928, 1216212, 1418914, 1484910, 1520265, 1824318, 1979880, 2027020, 2128371, 2432424, 2837828, 2969820, 3040530, 3547285, 3648636, 4054040, 4256742, 4560795, 5675656, 5939640, 6081060, 6385113, 7094570, 7297272, 8513484, 9121590, 10641855, 12162120, 12770226, 14189140, 17026968, 18243180, 21283710, 25540452, 28378280, 31925565, 36486360, 42567420, 51080904, 63851130, 85134840, 127702260, 255404520]

約数ペア:

[(1, 255404520), (2, 127702260), (3, 85134840), (4, 63851130), (5, 51080904), (6, 42567420), (7, 36486360), (8, 31925565), (9, 28378280), (10, 25540452), (12, 21283710), (14, 18243180), (15, 17026968), (18, 14189140), (20, 12770226), (21, 12162120), (24, 10641855), (28, 9121590), (30, 8513484), (35, 7297272), (36, 7094570), (40, 6385113), (42, 6081060), (43, 5939640), (45, 5675656), (56, 4560795), (60, 4256742), (63, 4054040), (70, 3648636), (72, 3547285), (84, 3040530), (86, 2969820), (90, 2837828), (105, 2432424), (120, 2128371), (126, 2027020), (129, 1979880), (140, 1824318), (168, 1520265), (172, 1484910), (180, 1418914), (210, 1216212), (215, 1187928), (252, 1013510), (258, 989940), (280, 912159), (301, 848520), (315, 810808), (344, 742455), (360, 709457), (387, 659960), (420, 608106), (430, 593964), (504, 506755), (516, 494970), (602, 424260), (630, 405404), (645, 395976), (774, 329980), (840, 304053), (860, 296982), (903, 282840), (1032, 247485), (1204, 212130), (1260, 202702), (1290, 197988), (1505, 169704), (1548, 164990), (1720, 148491), (1806, 141420), (1935, 131992), (2357, 108360), (2408, 106065), (2520, 101351), (2580, 98994), (2709, 94280), (3010, 84852), (3096, 82495), (3612, 70710), (3870, 65996), (4515, 56568), (4714, 54180), (5160, 49497), (5418, 47140), (6020, 42426), (7071, 36120), (7224, 35355), (7740, 32998), (9030, 28284), (9428, 27090), (10836, 23570), (11785, 21672), (12040, 21213), (13545, 18856), (14142, 18060), (15480, 16499)]