256003920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3323}}^1$

素因数の和:3449

約数の個数: 120

約数和(自身を含む): 868042656

約数和(自身を除く): 612038736

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, 107, 120, 144, 180, 214, 240, 321, 360, 428, 535, 642, 720, 856, 963, 1070, 1284, 1605, 1712, 1926, 2140, 2568, 3210, 3323, 3852, 4280, 4815, 5136, 6420, 6646, 7704, 8560, 9630, 9969, 12840, 13292, 15408, 16615, 19260, 19938, 25680, 26584, 29907, 33230, 38520, 39876, 49845, 53168, 59814, 66460, 77040, 79752, 99690, 119628, 132920, 149535, 159504, 199380, 239256, 265840, 299070, 355561, 398760, 478512, 598140, 711122, 797520, 1066683, 1196280, 1422244, 1777805, 2133366, 2392560, 2844488, 3200049, 3555610, 4266732, 5333415, 5688976, 6400098, 7111220, 8533464, 10666830, 12800196, 14222440, 16000245, 17066928, 21333660, 25600392, 28444880, 32000490, 42667320, 51200784, 64000980, 85334640, 128001960, 256003920]

約数ペア:

[(1, 256003920), (2, 128001960), (3, 85334640), (4, 64000980), (5, 51200784), (6, 42667320), (8, 32000490), (9, 28444880), (10, 25600392), (12, 21333660), (15, 17066928), (16, 16000245), (18, 14222440), (20, 12800196), (24, 10666830), (30, 8533464), (36, 7111220), (40, 6400098), (45, 5688976), (48, 5333415), (60, 4266732), (72, 3555610), (80, 3200049), (90, 2844488), (107, 2392560), (120, 2133366), (144, 1777805), (180, 1422244), (214, 1196280), (240, 1066683), (321, 797520), (360, 711122), (428, 598140), (535, 478512), (642, 398760), (720, 355561), (856, 299070), (963, 265840), (1070, 239256), (1284, 199380), (1605, 159504), (1712, 149535), (1926, 132920), (2140, 119628), (2568, 99690), (3210, 79752), (3323, 77040), (3852, 66460), (4280, 59814), (4815, 53168), (5136, 49845), (6420, 39876), (6646, 38520), (7704, 33230), (8560, 29907), (9630, 26584), (9969, 25680), (12840, 19938), (13292, 19260), (15408, 16615)]