256647636

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 192

約数和(自身を含む): 805109760

約数和(自身を除く): 548462124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 47, 54, 62, 63, 84, 93, 94, 108, 124, 126, 141, 186, 188, 189, 217, 233, 252, 279, 282, 329, 372, 378, 423, 434, 466, 558, 564, 651, 658, 699, 756, 837, 846, 868, 932, 987, 1116, 1269, 1302, 1316, 1398, 1457, 1631, 1674, 1692, 1953, 1974, 2097, 2538, 2604, 2796, 2914, 2961, 3262, 3348, 3906, 3948, 4194, 4371, 4893, 5076, 5828, 5859, 5922, 6291, 6524, 7223, 7812, 8388, 8742, 8883, 9786, 10199, 10951, 11718, 11844, 12582, 13113, 14446, 14679, 17484, 17766, 19572, 20398, 21669, 21902, 23436, 25164, 26226, 28892, 29358, 30597, 32853, 35532, 39339, 40796, 43338, 43804, 44037, 50561, 52452, 58716, 61194, 65007, 65706, 76657, 78678, 86676, 88074, 91791, 98559, 101122, 122388, 130014, 131412, 151683, 153314, 157356, 176148, 183582, 195021, 197118, 202244, 229971, 260028, 275373, 295677, 303366, 306628, 339481, 367164, 390042, 394236, 455049, 459942, 550746, 591354, 606732, 678962, 689913, 780084, 910098, 919884, 1018443, 1101492, 1182708, 1357924, 1365147, 1379826, 1820196, 2036886, 2069739, 2376367, 2730294, 2759652, 3055329, 4073772, 4139478, 4752734, 5460588, 6110658, 7129101, 8278956, 9165987, 9505468, 12221316, 14258202, 18331974, 21387303, 28516404, 36663948, 42774606, 64161909, 85549212, 128323818, 256647636]

約数ペア:

[(1, 256647636), (2, 128323818), (3, 85549212), (4, 64161909), (6, 42774606), (7, 36663948), (9, 28516404), (12, 21387303), (14, 18331974), (18, 14258202), (21, 12221316), (27, 9505468), (28, 9165987), (31, 8278956), (36, 7129101), (42, 6110658), (47, 5460588), (54, 4752734), (62, 4139478), (63, 4073772), (84, 3055329), (93, 2759652), (94, 2730294), (108, 2376367), (124, 2069739), (126, 2036886), (141, 1820196), (186, 1379826), (188, 1365147), (189, 1357924), (217, 1182708), (233, 1101492), (252, 1018443), (279, 919884), (282, 910098), (329, 780084), (372, 689913), (378, 678962), (423, 606732), (434, 591354), (466, 550746), (558, 459942), (564, 455049), (651, 394236), (658, 390042), (699, 367164), (756, 339481), (837, 306628), (846, 303366), (868, 295677), (932, 275373), (987, 260028), (1116, 229971), (1269, 202244), (1302, 197118), (1316, 195021), (1398, 183582), (1457, 176148), (1631, 157356), (1674, 153314), (1692, 151683), (1953, 131412), (1974, 130014), (2097, 122388), (2538, 101122), (2604, 98559), (2796, 91791), (2914, 88074), (2961, 86676), (3262, 78678), (3348, 76657), (3906, 65706), (3948, 65007), (4194, 61194), (4371, 58716), (4893, 52452), (5076, 50561), (5828, 44037), (5859, 43804), (5922, 43338), (6291, 40796), (6524, 39339), (7223, 35532), (7812, 32853), (8388, 30597), (8742, 29358), (8883, 28892), (9786, 26226), (10199, 25164), (10951, 23436), (11718, 21902), (11844, 21669), (12582, 20398), (13113, 19572), (14446, 17766), (14679, 17484)]