211781640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:212

約数の個数: 256

約数和(自身を含む): 761425920

約数和(自身を除く): 549644280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 67, 70, 71, 84, 105, 106, 120, 134, 140, 142, 159, 168, 201, 210, 212, 213, 265, 268, 280, 284, 318, 335, 355, 371, 402, 420, 424, 426, 469, 497, 530, 536, 568, 636, 670, 710, 742, 795, 804, 840, 852, 938, 994, 1005, 1060, 1065, 1113, 1272, 1340, 1407, 1420, 1484, 1491, 1590, 1608, 1704, 1855, 1876, 1988, 2010, 2120, 2130, 2226, 2345, 2485, 2680, 2814, 2840, 2968, 2982, 3180, 3551, 3710, 3752, 3763, 3976, 4020, 4260, 4452, 4690, 4757, 4970, 5565, 5628, 5964, 6360, 7035, 7102, 7420, 7455, 7526, 8040, 8520, 8904, 9380, 9514, 9940, 10653, 11130, 11256, 11289, 11928, 14070, 14204, 14271, 14840, 14910, 15052, 17755, 18760, 18815, 19028, 19880, 21306, 22260, 22578, 23785, 24857, 26341, 28140, 28408, 28542, 29820, 30104, 33299, 35510, 37630, 38056, 42612, 44520, 45156, 47570, 49714, 52682, 53265, 56280, 56445, 57084, 59640, 66598, 71020, 71355, 74571, 75260, 79023, 85224, 90312, 95140, 99428, 99897, 105364, 106530, 112890, 114168, 124285, 131705, 133196, 142040, 142710, 149142, 150520, 158046, 166495, 190280, 198856, 199794, 210728, 213060, 225780, 248570, 252121, 263410, 266392, 285420, 298284, 316092, 332990, 372855, 395115, 399588, 426120, 451560, 497140, 499485, 504242, 526820, 570840, 596568, 632184, 665980, 745710, 756363, 790230, 799176, 994280, 998970, 1008484, 1053640, 1260605, 1331960, 1491420, 1512726, 1580460, 1764847, 1997940, 2016968, 2521210, 2982840, 3025452, 3160920, 3529694, 3781815, 3995880, 5042420, 5294541, 6050904, 7059388, 7563630, 8824235, 10084840, 10589082, 14118776, 15127260, 17648470, 21178164, 26472705, 30254520, 35296940, 42356328, 52945410, 70593880, 105890820, 211781640]

約数ペア:

[(1, 211781640), (2, 105890820), (3, 70593880), (4, 52945410), (5, 42356328), (6, 35296940), (7, 30254520), (8, 26472705), (10, 21178164), (12, 17648470), (14, 15127260), (15, 14118776), (20, 10589082), (21, 10084840), (24, 8824235), (28, 7563630), (30, 7059388), (35, 6050904), (40, 5294541), (42, 5042420), (53, 3995880), (56, 3781815), (60, 3529694), (67, 3160920), (70, 3025452), (71, 2982840), (84, 2521210), (105, 2016968), (106, 1997940), (120, 1764847), (134, 1580460), (140, 1512726), (142, 1491420), (159, 1331960), (168, 1260605), (201, 1053640), (210, 1008484), (212, 998970), (213, 994280), (265, 799176), (268, 790230), (280, 756363), (284, 745710), (318, 665980), (335, 632184), (355, 596568), (371, 570840), (402, 526820), (420, 504242), (424, 499485), (426, 497140), (469, 451560), (497, 426120), (530, 399588), (536, 395115), (568, 372855), (636, 332990), (670, 316092), (710, 298284), (742, 285420), (795, 266392), (804, 263410), (840, 252121), (852, 248570), (938, 225780), (994, 213060), (1005, 210728), (1060, 199794), (1065, 198856), (1113, 190280), (1272, 166495), (1340, 158046), (1407, 150520), (1420, 149142), (1484, 142710), (1491, 142040), (1590, 133196), (1608, 131705), (1704, 124285), (1855, 114168), (1876, 112890), (1988, 106530), (2010, 105364), (2120, 99897), (2130, 99428), (2226, 95140), (2345, 90312), (2485, 85224), (2680, 79023), (2814, 75260), (2840, 74571), (2968, 71355), (2982, 71020), (3180, 66598), (3551, 59640), (3710, 57084), (3752, 56445), (3763, 56280), (3976, 53265), (4020, 52682), (4260, 49714), (4452, 47570), (4690, 45156), (4757, 44520), (4970, 42612), (5565, 38056), (5628, 37630), (5964, 35510), (6360, 33299), (7035, 30104), (7102, 29820), (7420, 28542), (7455, 28408), (7526, 28140), (8040, 26341), (8520, 24857), (8904, 23785), (9380, 22578), (9514, 22260), (9940, 21306), (10653, 19880), (11130, 19028), (11256, 18815), (11289, 18760), (11928, 17755), (14070, 15052), (14204, 14910), (14271, 14840)]