247999920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3433}}^1$

素因数の和:3499

約数の個数: 160

約数和(自身を含む): 899323392

約数和(自身を除く): 651323472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3433, 3440, 3612, 4515, 4816, 5160, 6020, 6866, 7224, 9030, 10299, 10320, 12040, 13732, 14448, 17165, 18060, 20598, 24031, 24080, 27464, 34330, 36120, 41196, 48062, 51495, 54928, 68660, 72093, 72240, 82392, 96124, 102990, 120155, 137320, 144186, 147619, 164784, 192248, 205980, 240310, 274640, 288372, 295238, 360465, 384496, 411960, 442857, 480620, 576744, 590476, 720930, 738095, 823920, 885714, 961240, 1033333, 1153488, 1180952, 1441860, 1476190, 1771428, 1922480, 2066666, 2214285, 2361904, 2883720, 2952380, 3099999, 3542856, 4133332, 4428570, 5166665, 5767440, 5904760, 6199998, 7085712, 8266664, 8857140, 10333330, 11809520, 12399996, 15499995, 16533328, 17714280, 20666660, 24799992, 30999990, 35428560, 41333320, 49599984, 61999980, 82666640, 123999960, 247999920]

約数ペア:

[(1, 247999920), (2, 123999960), (3, 82666640), (4, 61999980), (5, 49599984), (6, 41333320), (7, 35428560), (8, 30999990), (10, 24799992), (12, 20666660), (14, 17714280), (15, 16533328), (16, 15499995), (20, 12399996), (21, 11809520), (24, 10333330), (28, 8857140), (30, 8266664), (35, 7085712), (40, 6199998), (42, 5904760), (43, 5767440), (48, 5166665), (56, 4428570), (60, 4133332), (70, 3542856), (80, 3099999), (84, 2952380), (86, 2883720), (105, 2361904), (112, 2214285), (120, 2066666), (129, 1922480), (140, 1771428), (168, 1476190), (172, 1441860), (210, 1180952), (215, 1153488), (240, 1033333), (258, 961240), (280, 885714), (301, 823920), (336, 738095), (344, 720930), (420, 590476), (430, 576744), (516, 480620), (560, 442857), (602, 411960), (645, 384496), (688, 360465), (840, 295238), (860, 288372), (903, 274640), (1032, 240310), (1204, 205980), (1290, 192248), (1505, 164784), (1680, 147619), (1720, 144186), (1806, 137320), (2064, 120155), (2408, 102990), (2580, 96124), (3010, 82392), (3433, 72240), (3440, 72093), (3612, 68660), (4515, 54928), (4816, 51495), (5160, 48062), (6020, 41196), (6866, 36120), (7224, 34330), (9030, 27464), (10299, 24080), (10320, 24031), (12040, 20598), (13732, 18060), (14448, 17165)]