18008795280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{345791}}^1$

素因数の和:345845

約数の個数: 160

約数和(自身を含む): 65860927488

約数和(自身を除く): 47852132208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 8680, 10416, 13020, 17360, 26040, 52080, 345791, 691582, 1037373, 1383164, 1728955, 2074746, 2420537, 2766328, 3457910, 4149492, 4841074, 5186865, 5532656, 6915820, 7261611, 8298984, 9682148, 10373730, 10719521, 12102685, 13831640, 14523222, 16597968, 19364296, 20747460, 21439042, 24205370, 27663280, 29046444, 32158563, 36308055, 38728592, 41494920, 42878084, 48410740, 53597605, 58092888, 64317126, 72616110, 75036647, 82989840, 85756168, 96821480, 107195210, 116185776, 128634252, 145232220, 150073294, 160792815, 171512336, 193642960, 214390420, 225109941, 257268504, 290464440, 300146588, 321585630, 375183235, 428780840, 450219882, 514537008, 580928880, 600293176, 643171260, 750366470, 857561680, 900439764, 1125549705, 1200586352, 1286342520, 1500732940, 1800879528, 2251099410, 2572685040, 3001465880, 3601759056, 4502198820, 6002931760, 9004397640, 18008795280]

約数ペア:

[(1, 18008795280), (2, 9004397640), (3, 6002931760), (4, 4502198820), (5, 3601759056), (6, 3001465880), (7, 2572685040), (8, 2251099410), (10, 1800879528), (12, 1500732940), (14, 1286342520), (15, 1200586352), (16, 1125549705), (20, 900439764), (21, 857561680), (24, 750366470), (28, 643171260), (30, 600293176), (31, 580928880), (35, 514537008), (40, 450219882), (42, 428780840), (48, 375183235), (56, 321585630), (60, 300146588), (62, 290464440), (70, 257268504), (80, 225109941), (84, 214390420), (93, 193642960), (105, 171512336), (112, 160792815), (120, 150073294), (124, 145232220), (140, 128634252), (155, 116185776), (168, 107195210), (186, 96821480), (210, 85756168), (217, 82989840), (240, 75036647), (248, 72616110), (280, 64317126), (310, 58092888), (336, 53597605), (372, 48410740), (420, 42878084), (434, 41494920), (465, 38728592), (496, 36308055), (560, 32158563), (620, 29046444), (651, 27663280), (744, 24205370), (840, 21439042), (868, 20747460), (930, 19364296), (1085, 16597968), (1240, 14523222), (1302, 13831640), (1488, 12102685), (1680, 10719521), (1736, 10373730), (1860, 9682148), (2170, 8298984), (2480, 7261611), (2604, 6915820), (3255, 5532656), (3472, 5186865), (3720, 4841074), (4340, 4149492), (5208, 3457910), (6510, 2766328), (7440, 2420537), (8680, 2074746), (10416, 1728955), (13020, 1383164), (17360, 1037373), (26040, 691582), (52080, 345791)]