720630120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:416

約数の個数: 256

約数和(自身を含む): 2572922880

約数和(自身を除く): 1852292760

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, 71, 84, 86, 105, 120, 129, 140, 142, 168, 172, 210, 213, 215, 258, 280, 281, 284, 301, 344, 355, 420, 426, 430, 497, 516, 562, 568, 602, 645, 710, 840, 843, 852, 860, 903, 994, 1032, 1065, 1124, 1204, 1290, 1405, 1420, 1491, 1505, 1686, 1704, 1720, 1806, 1967, 1988, 2130, 2248, 2408, 2485, 2580, 2810, 2840, 2982, 3010, 3053, 3372, 3612, 3934, 3976, 4215, 4260, 4515, 4970, 5160, 5620, 5901, 5964, 6020, 6106, 6744, 7224, 7455, 7868, 8430, 8520, 9030, 9159, 9835, 9940, 11240, 11802, 11928, 12040, 12083, 12212, 14910, 15265, 15736, 16860, 18060, 18318, 19670, 19880, 19951, 21371, 23604, 24166, 24424, 29505, 29820, 30530, 33720, 36120, 36249, 36636, 39340, 39902, 42742, 45795, 47208, 48332, 59010, 59640, 59853, 60415, 61060, 64113, 72498, 73272, 78680, 79804, 84581, 85484, 91590, 96664, 99755, 106855, 118020, 119706, 120830, 122120, 128226, 139657, 144996, 159608, 169162, 170968, 181245, 183180, 199510, 213710, 236040, 239412, 241660, 253743, 256452, 279314, 289992, 299265, 320565, 338324, 362490, 366360, 399020, 418971, 422905, 427420, 478824, 483320, 507486, 512904, 558628, 598530, 641130, 676648, 698285, 724980, 798040, 837942, 845810, 854840, 857893, 1014972, 1117256, 1197060, 1268715, 1282260, 1396570, 1449960, 1675884, 1691620, 1715786, 2029944, 2094855, 2394120, 2537430, 2564520, 2573679, 2793140, 3351768, 3383240, 3431572, 4189710, 4289465, 5074860, 5147358, 5586280, 6005251, 6863144, 8379420, 8578930, 10149720, 10294716, 12010502, 12868395, 16758840, 17157860, 18015753, 20589432, 24021004, 25736790, 30026255, 34315720, 36031506, 48042008, 51473580, 60052510, 72063012, 90078765, 102947160, 120105020, 144126024, 180157530, 240210040, 360315060, 720630120]

約数ペア:

[(1, 720630120), (2, 360315060), (3, 240210040), (4, 180157530), (5, 144126024), (6, 120105020), (7, 102947160), (8, 90078765), (10, 72063012), (12, 60052510), (14, 51473580), (15, 48042008), (20, 36031506), (21, 34315720), (24, 30026255), (28, 25736790), (30, 24021004), (35, 20589432), (40, 18015753), (42, 17157860), (43, 16758840), (56, 12868395), (60, 12010502), (70, 10294716), (71, 10149720), (84, 8578930), (86, 8379420), (105, 6863144), (120, 6005251), (129, 5586280), (140, 5147358), (142, 5074860), (168, 4289465), (172, 4189710), (210, 3431572), (213, 3383240), (215, 3351768), (258, 2793140), (280, 2573679), (281, 2564520), (284, 2537430), (301, 2394120), (344, 2094855), (355, 2029944), (420, 1715786), (426, 1691620), (430, 1675884), (497, 1449960), (516, 1396570), (562, 1282260), (568, 1268715), (602, 1197060), (645, 1117256), (710, 1014972), (840, 857893), (843, 854840), (852, 845810), (860, 837942), (903, 798040), (994, 724980), (1032, 698285), (1065, 676648), (1124, 641130), (1204, 598530), (1290, 558628), (1405, 512904), (1420, 507486), (1491, 483320), (1505, 478824), (1686, 427420), (1704, 422905), (1720, 418971), (1806, 399020), (1967, 366360), (1988, 362490), (2130, 338324), (2248, 320565), (2408, 299265), (2485, 289992), (2580, 279314), (2810, 256452), (2840, 253743), (2982, 241660), (3010, 239412), (3053, 236040), (3372, 213710), (3612, 199510), (3934, 183180), (3976, 181245), (4215, 170968), (4260, 169162), (4515, 159608), (4970, 144996), (5160, 139657), (5620, 128226), (5901, 122120), (5964, 120830), (6020, 119706), (6106, 118020), (6744, 106855), (7224, 99755), (7455, 96664), (7868, 91590), (8430, 85484), (8520, 84581), (9030, 79804), (9159, 78680), (9835, 73272), (9940, 72498), (11240, 64113), (11802, 61060), (11928, 60415), (12040, 59853), (12083, 59640), (12212, 59010), (14910, 48332), (15265, 47208), (15736, 45795), (16860, 42742), (18060, 39902), (18318, 39340), (19670, 36636), (19880, 36249), (19951, 36120), (21371, 33720), (23604, 30530), (24166, 29820), (24424, 29505)]