256425984

素因数分解:

$2^{14}\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 180

約数和(自身を含む): 776971104

約数和(自身を除く): 520545120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 47, 48, 64, 72, 74, 94, 96, 111, 128, 141, 144, 148, 188, 192, 222, 256, 282, 288, 296, 333, 376, 384, 423, 444, 512, 564, 576, 592, 666, 752, 768, 846, 888, 1024, 1128, 1152, 1184, 1332, 1504, 1536, 1692, 1739, 1776, 2048, 2256, 2304, 2368, 2664, 3008, 3072, 3384, 3478, 3552, 4096, 4512, 4608, 4736, 5217, 5328, 6016, 6144, 6768, 6956, 7104, 8192, 9024, 9216, 9472, 10434, 10656, 12032, 12288, 13536, 13912, 14208, 15651, 16384, 18048, 18432, 18944, 20868, 21312, 24064, 24576, 27072, 27824, 28416, 31302, 36096, 36864, 37888, 41736, 42624, 48128, 49152, 54144, 55648, 56832, 62604, 72192, 73728, 75776, 83472, 85248, 96256, 108288, 111296, 113664, 125208, 144384, 147456, 151552, 166944, 170496, 192512, 216576, 222592, 227328, 250416, 288768, 303104, 333888, 340992, 385024, 433152, 445184, 454656, 500832, 577536, 606208, 667776, 681984, 770048, 866304, 890368, 909312, 1001664, 1155072, 1335552, 1363968, 1732608, 1780736, 1818624, 2003328, 2310144, 2671104, 2727936, 3465216, 3561472, 4006656, 5342208, 5455872, 6930432, 7122944, 8013312, 10684416, 14245888, 16026624, 21368832, 28491776, 32053248, 42737664, 64106496, 85475328, 128212992, 256425984]

約数ペア:

[(1, 256425984), (2, 128212992), (3, 85475328), (4, 64106496), (6, 42737664), (8, 32053248), (9, 28491776), (12, 21368832), (16, 16026624), (18, 14245888), (24, 10684416), (32, 8013312), (36, 7122944), (37, 6930432), (47, 5455872), (48, 5342208), (64, 4006656), (72, 3561472), (74, 3465216), (94, 2727936), (96, 2671104), (111, 2310144), (128, 2003328), (141, 1818624), (144, 1780736), (148, 1732608), (188, 1363968), (192, 1335552), (222, 1155072), (256, 1001664), (282, 909312), (288, 890368), (296, 866304), (333, 770048), (376, 681984), (384, 667776), (423, 606208), (444, 577536), (512, 500832), (564, 454656), (576, 445184), (592, 433152), (666, 385024), (752, 340992), (768, 333888), (846, 303104), (888, 288768), (1024, 250416), (1128, 227328), (1152, 222592), (1184, 216576), (1332, 192512), (1504, 170496), (1536, 166944), (1692, 151552), (1739, 147456), (1776, 144384), (2048, 125208), (2256, 113664), (2304, 111296), (2368, 108288), (2664, 96256), (3008, 85248), (3072, 83472), (3384, 75776), (3478, 73728), (3552, 72192), (4096, 62604), (4512, 56832), (4608, 55648), (4736, 54144), (5217, 49152), (5328, 48128), (6016, 42624), (6144, 41736), (6768, 37888), (6956, 36864), (7104, 36096), (8192, 31302), (9024, 28416), (9216, 27824), (9472, 27072), (10434, 24576), (10656, 24064), (12032, 21312), (12288, 20868), (13536, 18944), (13912, 18432), (14208, 18048), (15651, 16384)]