2009391720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{55631}}^1$

素因数の和:55695

約数の個数: 128

約数和(自身を含む): 7049687040

約数和(自身を除く): 5040295320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2408, 2580, 3010, 3612, 4515, 5160, 6020, 7224, 9030, 12040, 18060, 36120, 55631, 111262, 166893, 222524, 278155, 333786, 389417, 445048, 556310, 667572, 778834, 834465, 1112620, 1168251, 1335144, 1557668, 1668930, 1947085, 2225240, 2336502, 2392133, 3115336, 3337860, 3894170, 4673004, 4784266, 5841255, 6675720, 7176399, 7788340, 9346008, 9568532, 11682510, 11960665, 14352798, 15576680, 16744931, 19137064, 23365020, 23921330, 28705596, 33489862, 35881995, 46730040, 47842660, 50234793, 57411192, 66979724, 71763990, 83724655, 95685320, 100469586, 133959448, 143527980, 167449310, 200939172, 251173965, 287055960, 334898620, 401878344, 502347930, 669797240, 1004695860, 2009391720]

約数ペア:

[(1, 2009391720), (2, 1004695860), (3, 669797240), (4, 502347930), (5, 401878344), (6, 334898620), (7, 287055960), (8, 251173965), (10, 200939172), (12, 167449310), (14, 143527980), (15, 133959448), (20, 100469586), (21, 95685320), (24, 83724655), (28, 71763990), (30, 66979724), (35, 57411192), (40, 50234793), (42, 47842660), (43, 46730040), (56, 35881995), (60, 33489862), (70, 28705596), (84, 23921330), (86, 23365020), (105, 19137064), (120, 16744931), (129, 15576680), (140, 14352798), (168, 11960665), (172, 11682510), (210, 9568532), (215, 9346008), (258, 7788340), (280, 7176399), (301, 6675720), (344, 5841255), (420, 4784266), (430, 4673004), (516, 3894170), (602, 3337860), (645, 3115336), (840, 2392133), (860, 2336502), (903, 2225240), (1032, 1947085), (1204, 1668930), (1290, 1557668), (1505, 1335144), (1720, 1168251), (1806, 1112620), (2408, 834465), (2580, 778834), (3010, 667572), (3612, 556310), (4515, 445048), (5160, 389417), (6020, 333786), (7224, 278155), (9030, 222524), (12040, 166893), (18060, 111262), (36120, 55631)]