2781609984

素因数分解:

$2^{18}\times 3^4\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 190

約数和(自身を含む): 8373911964

約数和(自身を除く): 5592301980

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 131, 144, 162, 192, 216, 256, 262, 288, 324, 384, 393, 432, 512, 524, 576, 648, 768, 786, 864, 1024, 1048, 1152, 1179, 1296, 1536, 1572, 1728, 2048, 2096, 2304, 2358, 2592, 3072, 3144, 3456, 3537, 4096, 4192, 4608, 4716, 5184, 6144, 6288, 6912, 7074, 8192, 8384, 9216, 9432, 10368, 10611, 12288, 12576, 13824, 14148, 16384, 16768, 18432, 18864, 20736, 21222, 24576, 25152, 27648, 28296, 32768, 33536, 36864, 37728, 41472, 42444, 49152, 50304, 55296, 56592, 65536, 67072, 73728, 75456, 82944, 84888, 98304, 100608, 110592, 113184, 131072, 134144, 147456, 150912, 165888, 169776, 196608, 201216, 221184, 226368, 262144, 268288, 294912, 301824, 331776, 339552, 393216, 402432, 442368, 452736, 536576, 589824, 603648, 663552, 679104, 786432, 804864, 884736, 905472, 1073152, 1179648, 1207296, 1327104, 1358208, 1609728, 1769472, 1810944, 2146304, 2359296, 2414592, 2654208, 2716416, 3219456, 3538944, 3621888, 4292608, 4829184, 5308416, 5432832, 6438912, 7077888, 7243776, 8585216, 9658368, 10616832, 10865664, 12877824, 14487552, 17170432, 19316736, 21233664, 21731328, 25755648, 28975104, 34340864, 38633472, 43462656, 51511296, 57950208, 77266944, 86925312, 103022592, 115900416, 154533888, 173850624, 231800832, 309067776, 347701248, 463601664, 695402496, 927203328, 1390804992, 2781609984]

約数ペア:

[(1, 2781609984), (2, 1390804992), (3, 927203328), (4, 695402496), (6, 463601664), (8, 347701248), (9, 309067776), (12, 231800832), (16, 173850624), (18, 154533888), (24, 115900416), (27, 103022592), (32, 86925312), (36, 77266944), (48, 57950208), (54, 51511296), (64, 43462656), (72, 38633472), (81, 34340864), (96, 28975104), (108, 25755648), (128, 21731328), (131, 21233664), (144, 19316736), (162, 17170432), (192, 14487552), (216, 12877824), (256, 10865664), (262, 10616832), (288, 9658368), (324, 8585216), (384, 7243776), (393, 7077888), (432, 6438912), (512, 5432832), (524, 5308416), (576, 4829184), (648, 4292608), (768, 3621888), (786, 3538944), (864, 3219456), (1024, 2716416), (1048, 2654208), (1152, 2414592), (1179, 2359296), (1296, 2146304), (1536, 1810944), (1572, 1769472), (1728, 1609728), (2048, 1358208), (2096, 1327104), (2304, 1207296), (2358, 1179648), (2592, 1073152), (3072, 905472), (3144, 884736), (3456, 804864), (3537, 786432), (4096, 679104), (4192, 663552), (4608, 603648), (4716, 589824), (5184, 536576), (6144, 452736), (6288, 442368), (6912, 402432), (7074, 393216), (8192, 339552), (8384, 331776), (9216, 301824), (9432, 294912), (10368, 268288), (10611, 262144), (12288, 226368), (12576, 221184), (13824, 201216), (14148, 196608), (16384, 169776), (16768, 165888), (18432, 150912), (18864, 147456), (20736, 134144), (21222, 131072), (24576, 113184), (25152, 110592), (27648, 100608), (28296, 98304), (32768, 84888), (33536, 82944), (36864, 75456), (37728, 73728), (41472, 67072), (42444, 65536), (49152, 56592), (50304, 55296)]