256926816

素因数分解:

$2^5\times 3^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 836559360

約数和(自身を除く): 579632544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 37, 38, 47, 48, 54, 57, 72, 74, 76, 81, 94, 96, 108, 111, 114, 141, 144, 148, 152, 162, 171, 188, 216, 222, 228, 243, 282, 288, 296, 304, 324, 333, 342, 376, 423, 432, 444, 456, 486, 513, 564, 592, 608, 648, 666, 684, 703, 752, 846, 864, 888, 893, 912, 972, 999, 1026, 1128, 1184, 1269, 1296, 1332, 1368, 1406, 1504, 1539, 1692, 1739, 1776, 1786, 1824, 1944, 1998, 2052, 2109, 2256, 2538, 2592, 2664, 2679, 2736, 2812, 2997, 3078, 3384, 3478, 3552, 3572, 3807, 3888, 3996, 4104, 4218, 4512, 4617, 5076, 5217, 5328, 5358, 5472, 5624, 5994, 6156, 6327, 6768, 6956, 7144, 7614, 7776, 7992, 8037, 8208, 8436, 8991, 9234, 10152, 10434, 10656, 10716, 11248, 11421, 11988, 12312, 12654, 13536, 13912, 14288, 15228, 15651, 15984, 16074, 16416, 16872, 17982, 18468, 18981, 20304, 20868, 21432, 22496, 22842, 23976, 24111, 24624, 25308, 27824, 28576, 30456, 31302, 31968, 32148, 33041, 33744, 35964, 36936, 37962, 40608, 41736, 42864, 45684, 46953, 47952, 48222, 49248, 50616, 55648, 56943, 60912, 62604, 64296, 66082, 67488, 71928, 72333, 73872, 75924, 83472, 85728, 91368, 93906, 95904, 96444, 99123, 101232, 113886, 121824, 125208, 128592, 132164, 140859, 143856, 144666, 147744, 151848, 166944, 170829, 182736, 187812, 192888, 198246, 202464, 216999, 227772, 250416, 257184, 264328, 281718, 287712, 289332, 297369, 303696, 341658, 365472, 375624, 385776, 396492, 422577, 433998, 455544, 500832, 528656, 563436, 578664, 594738, 607392, 683316, 751248, 771552, 792984, 845154, 867996, 892107, 911088, 1057312, 1126872, 1157328, 1189476, 1366632, 1502496, 1585968, 1690308, 1735992, 1784214, 1822176, 2253744, 2314656, 2378952, 2676321, 2733264, 3171936, 3380616, 3471984, 3568428, 4507488, 4757904, 5352642, 5466528, 6761232, 6943968, 7136856, 8028963, 9515808, 10705284, 13522464, 14273712, 16057926, 21410568, 28547424, 32115852, 42821136, 64231704, 85642272, 128463408, 256926816]

約数ペア:

[(1, 256926816), (2, 128463408), (3, 85642272), (4, 64231704), (6, 42821136), (8, 32115852), (9, 28547424), (12, 21410568), (16, 16057926), (18, 14273712), (19, 13522464), (24, 10705284), (27, 9515808), (32, 8028963), (36, 7136856), (37, 6943968), (38, 6761232), (47, 5466528), (48, 5352642), (54, 4757904), (57, 4507488), (72, 3568428), (74, 3471984), (76, 3380616), (81, 3171936), (94, 2733264), (96, 2676321), (108, 2378952), (111, 2314656), (114, 2253744), (141, 1822176), (144, 1784214), (148, 1735992), (152, 1690308), (162, 1585968), (171, 1502496), (188, 1366632), (216, 1189476), (222, 1157328), (228, 1126872), (243, 1057312), (282, 911088), (288, 892107), (296, 867996), (304, 845154), (324, 792984), (333, 771552), (342, 751248), (376, 683316), (423, 607392), (432, 594738), (444, 578664), (456, 563436), (486, 528656), (513, 500832), (564, 455544), (592, 433998), (608, 422577), (648, 396492), (666, 385776), (684, 375624), (703, 365472), (752, 341658), (846, 303696), (864, 297369), (888, 289332), (893, 287712), (912, 281718), (972, 264328), (999, 257184), (1026, 250416), (1128, 227772), (1184, 216999), (1269, 202464), (1296, 198246), (1332, 192888), (1368, 187812), (1406, 182736), (1504, 170829), (1539, 166944), (1692, 151848), (1739, 147744), (1776, 144666), (1786, 143856), (1824, 140859), (1944, 132164), (1998, 128592), (2052, 125208), (2109, 121824), (2256, 113886), (2538, 101232), (2592, 99123), (2664, 96444), (2679, 95904), (2736, 93906), (2812, 91368), (2997, 85728), (3078, 83472), (3384, 75924), (3478, 73872), (3552, 72333), (3572, 71928), (3807, 67488), (3888, 66082), (3996, 64296), (4104, 62604), (4218, 60912), (4512, 56943), (4617, 55648), (5076, 50616), (5217, 49248), (5328, 48222), (5358, 47952), (5472, 46953), (5624, 45684), (5994, 42864), (6156, 41736), (6327, 40608), (6768, 37962), (6956, 36936), (7144, 35964), (7614, 33744), (7776, 33041), (7992, 32148), (8037, 31968), (8208, 31302), (8436, 30456), (8991, 28576), (9234, 27824), (10152, 25308), (10434, 24624), (10656, 24111), (10716, 23976), (11248, 22842), (11421, 22496), (11988, 21432), (12312, 20868), (12654, 20304), (13536, 18981), (13912, 18468), (14288, 17982), (15228, 16872), (15651, 16416), (15984, 16074)]