23919120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 120

約数和(自身を含む): 81244800

約数和(自身を除く): 57325680

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, 120, 139, 144, 180, 239, 240, 278, 360, 417, 478, 556, 695, 717, 720, 834, 956, 1112, 1195, 1251, 1390, 1434, 1668, 1912, 2085, 2151, 2224, 2390, 2502, 2780, 2868, 3336, 3585, 3824, 4170, 4302, 4780, 5004, 5560, 5736, 6255, 6672, 7170, 8340, 8604, 9560, 10008, 10755, 11120, 11472, 12510, 14340, 16680, 17208, 19120, 20016, 21510, 25020, 28680, 33221, 33360, 34416, 43020, 50040, 57360, 66442, 86040, 99663, 100080, 132884, 166105, 172080, 199326, 265768, 298989, 332210, 398652, 498315, 531536, 597978, 664420, 797304, 996630, 1195956, 1328840, 1494945, 1594608, 1993260, 2391912, 2657680, 2989890, 3986520, 4783824, 5979780, 7973040, 11959560, 23919120]

約数ペア:

[(1, 23919120), (2, 11959560), (3, 7973040), (4, 5979780), (5, 4783824), (6, 3986520), (8, 2989890), (9, 2657680), (10, 2391912), (12, 1993260), (15, 1594608), (16, 1494945), (18, 1328840), (20, 1195956), (24, 996630), (30, 797304), (36, 664420), (40, 597978), (45, 531536), (48, 498315), (60, 398652), (72, 332210), (80, 298989), (90, 265768), (120, 199326), (139, 172080), (144, 166105), (180, 132884), (239, 100080), (240, 99663), (278, 86040), (360, 66442), (417, 57360), (478, 50040), (556, 43020), (695, 34416), (717, 33360), (720, 33221), (834, 28680), (956, 25020), (1112, 21510), (1195, 20016), (1251, 19120), (1390, 17208), (1434, 16680), (1668, 14340), (1912, 12510), (2085, 11472), (2151, 11120), (2224, 10755), (2390, 10008), (2502, 9560), (2780, 8604), (2868, 8340), (3336, 7170), (3585, 6672), (3824, 6255), (4170, 5736), (4302, 5560), (4780, 5004)]