345831040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17431}}^1$

素因数の和:17481

約数の個数: 64

約数和(自身を含む): 853470720

約数和(自身を除く): 507639680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 17431, 19840, 34862, 69724, 87155, 139448, 174310, 278896, 348620, 540361, 557792, 697240, 1080722, 1115584, 1394480, 2161444, 2231168, 2701805, 2788960, 4322888, 5403610, 5577920, 8645776, 10807220, 11155840, 17291552, 21614440, 34583104, 43228880, 69166208, 86457760, 172915520, 345831040]

約数ペア:

[(1, 345831040), (2, 172915520), (4, 86457760), (5, 69166208), (8, 43228880), (10, 34583104), (16, 21614440), (20, 17291552), (31, 11155840), (32, 10807220), (40, 8645776), (62, 5577920), (64, 5403610), (80, 4322888), (124, 2788960), (128, 2701805), (155, 2231168), (160, 2161444), (248, 1394480), (310, 1115584), (320, 1080722), (496, 697240), (620, 557792), (640, 540361), (992, 348620), (1240, 278896), (1984, 174310), (2480, 139448), (3968, 87155), (4960, 69724), (9920, 34862), (17431, 19840)]