1281342840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:262

約数の個数: 256

約数和(自身を含む): 4145541120

約数和(自身を除く): 2864198280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 67, 93, 97, 106, 120, 124, 134, 155, 159, 186, 194, 201, 212, 248, 265, 268, 291, 310, 318, 335, 372, 388, 402, 424, 465, 485, 530, 536, 582, 620, 636, 670, 744, 776, 795, 804, 930, 970, 1005, 1060, 1164, 1240, 1272, 1340, 1455, 1590, 1608, 1643, 1860, 1940, 2010, 2077, 2120, 2328, 2680, 2910, 3007, 3180, 3286, 3551, 3720, 3880, 4020, 4154, 4929, 5141, 5820, 6014, 6231, 6360, 6499, 6572, 7102, 8040, 8215, 8308, 9021, 9858, 10282, 10385, 10653, 11640, 12028, 12462, 12998, 13144, 14204, 15035, 15423, 16430, 16616, 17755, 18042, 19497, 19716, 20564, 20770, 21306, 24056, 24645, 24924, 25705, 25996, 28408, 30070, 30846, 31155, 32495, 32860, 35510, 36084, 38994, 39432, 41128, 41540, 42612, 45105, 49290, 49848, 51410, 51992, 53265, 60140, 61692, 62310, 64990, 65720, 71020, 72168, 77115, 77988, 83080, 85224, 90210, 97485, 98580, 102820, 106530, 110081, 120280, 123384, 124620, 129980, 142040, 154230, 155976, 159371, 180420, 194970, 197160, 201469, 205640, 213060, 220162, 249240, 259960, 308460, 318742, 330243, 344447, 360840, 389940, 402938, 426120, 440324, 478113, 550405, 604407, 616920, 637484, 660486, 688894, 779880, 796855, 805876, 880648, 956226, 1007345, 1033341, 1100810, 1208814, 1274968, 1320972, 1377788, 1593710, 1611752, 1651215, 1722235, 1912452, 2014690, 2066682, 2201620, 2390565, 2417628, 2641944, 2755576, 3022035, 3187420, 3302430, 3444470, 3824904, 4029380, 4133364, 4403240, 4781130, 4835256, 5166705, 6044070, 6374840, 6604860, 6888940, 8058760, 8266728, 9562260, 10333410, 10677857, 12088140, 13209720, 13777880, 19124520, 20666820, 21355714, 24176280, 32033571, 41333640, 42711428, 53389285, 64067142, 85422856, 106778570, 128134284, 160167855, 213557140, 256268568, 320335710, 427114280, 640671420, 1281342840]

約数ペア:

[(1, 1281342840), (2, 640671420), (3, 427114280), (4, 320335710), (5, 256268568), (6, 213557140), (8, 160167855), (10, 128134284), (12, 106778570), (15, 85422856), (20, 64067142), (24, 53389285), (30, 42711428), (31, 41333640), (40, 32033571), (53, 24176280), (60, 21355714), (62, 20666820), (67, 19124520), (93, 13777880), (97, 13209720), (106, 12088140), (120, 10677857), (124, 10333410), (134, 9562260), (155, 8266728), (159, 8058760), (186, 6888940), (194, 6604860), (201, 6374840), (212, 6044070), (248, 5166705), (265, 4835256), (268, 4781130), (291, 4403240), (310, 4133364), (318, 4029380), (335, 3824904), (372, 3444470), (388, 3302430), (402, 3187420), (424, 3022035), (465, 2755576), (485, 2641944), (530, 2417628), (536, 2390565), (582, 2201620), (620, 2066682), (636, 2014690), (670, 1912452), (744, 1722235), (776, 1651215), (795, 1611752), (804, 1593710), (930, 1377788), (970, 1320972), (1005, 1274968), (1060, 1208814), (1164, 1100810), (1240, 1033341), (1272, 1007345), (1340, 956226), (1455, 880648), (1590, 805876), (1608, 796855), (1643, 779880), (1860, 688894), (1940, 660486), (2010, 637484), (2077, 616920), (2120, 604407), (2328, 550405), (2680, 478113), (2910, 440324), (3007, 426120), (3180, 402938), (3286, 389940), (3551, 360840), (3720, 344447), (3880, 330243), (4020, 318742), (4154, 308460), (4929, 259960), (5141, 249240), (5820, 220162), (6014, 213060), (6231, 205640), (6360, 201469), (6499, 197160), (6572, 194970), (7102, 180420), (8040, 159371), (8215, 155976), (8308, 154230), (9021, 142040), (9858, 129980), (10282, 124620), (10385, 123384), (10653, 120280), (11640, 110081), (12028, 106530), (12462, 102820), (12998, 98580), (13144, 97485), (14204, 90210), (15035, 85224), (15423, 83080), (16430, 77988), (16616, 77115), (17755, 72168), (18042, 71020), (19497, 65720), (19716, 64990), (20564, 62310), (20770, 61692), (21306, 60140), (24056, 53265), (24645, 51992), (24924, 51410), (25705, 49848), (25996, 49290), (28408, 45105), (30070, 42612), (30846, 41540), (31155, 41128), (32495, 39432), (32860, 38994), (35510, 36084)]