639290736

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 240

約数和(自身を含む): 2141999808

約数和(自身を除く): 1502709072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 61, 63, 72, 74, 84, 111, 112, 122, 126, 144, 148, 168, 183, 222, 244, 252, 259, 281, 296, 333, 336, 366, 427, 444, 488, 504, 518, 549, 562, 592, 666, 732, 777, 843, 854, 888, 976, 1008, 1036, 1098, 1124, 1281, 1332, 1464, 1554, 1686, 1708, 1776, 1967, 2072, 2196, 2248, 2257, 2331, 2529, 2562, 2664, 2928, 3108, 3372, 3416, 3843, 3934, 4144, 4392, 4496, 4514, 4662, 5058, 5124, 5328, 5901, 6216, 6744, 6771, 6832, 7686, 7868, 8784, 9028, 9324, 10116, 10248, 10397, 11802, 12432, 13488, 13542, 15372, 15736, 15799, 17141, 17703, 18056, 18648, 20232, 20313, 20496, 20794, 23604, 27084, 30744, 31191, 31472, 31598, 34282, 35406, 36112, 37296, 40464, 40626, 41588, 47208, 47397, 51423, 54168, 61488, 62382, 63196, 68564, 70812, 72779, 81252, 83176, 93573, 94416, 94794, 102846, 108336, 119987, 124764, 126392, 137128, 141624, 142191, 145558, 154269, 162504, 166352, 187146, 189588, 205692, 218337, 239974, 249528, 252784, 274256, 283248, 284382, 291116, 308538, 325008, 359961, 374292, 379176, 411384, 436674, 479948, 499056, 568764, 582232, 617076, 634217, 655011, 719922, 748584, 758352, 822768, 873348, 959896, 1079883, 1137528, 1164464, 1234152, 1268434, 1310022, 1439844, 1497168, 1746696, 1902651, 1919792, 2159766, 2275056, 2468304, 2536868, 2620044, 2879688, 3493392, 3805302, 4319532, 4439519, 5073736, 5240088, 5707953, 5759376, 7610604, 8639064, 8879038, 10147472, 10480176, 11415906, 13318557, 15221208, 17278128, 17758076, 22831812, 26637114, 30442416, 35516152, 39955671, 45663624, 53274228, 71032304, 79911342, 91327248, 106548456, 159822684, 213096912, 319645368, 639290736]

約数ペア:

[(1, 639290736), (2, 319645368), (3, 213096912), (4, 159822684), (6, 106548456), (7, 91327248), (8, 79911342), (9, 71032304), (12, 53274228), (14, 45663624), (16, 39955671), (18, 35516152), (21, 30442416), (24, 26637114), (28, 22831812), (36, 17758076), (37, 17278128), (42, 15221208), (48, 13318557), (56, 11415906), (61, 10480176), (63, 10147472), (72, 8879038), (74, 8639064), (84, 7610604), (111, 5759376), (112, 5707953), (122, 5240088), (126, 5073736), (144, 4439519), (148, 4319532), (168, 3805302), (183, 3493392), (222, 2879688), (244, 2620044), (252, 2536868), (259, 2468304), (281, 2275056), (296, 2159766), (333, 1919792), (336, 1902651), (366, 1746696), (427, 1497168), (444, 1439844), (488, 1310022), (504, 1268434), (518, 1234152), (549, 1164464), (562, 1137528), (592, 1079883), (666, 959896), (732, 873348), (777, 822768), (843, 758352), (854, 748584), (888, 719922), (976, 655011), (1008, 634217), (1036, 617076), (1098, 582232), (1124, 568764), (1281, 499056), (1332, 479948), (1464, 436674), (1554, 411384), (1686, 379176), (1708, 374292), (1776, 359961), (1967, 325008), (2072, 308538), (2196, 291116), (2248, 284382), (2257, 283248), (2331, 274256), (2529, 252784), (2562, 249528), (2664, 239974), (2928, 218337), (3108, 205692), (3372, 189588), (3416, 187146), (3843, 166352), (3934, 162504), (4144, 154269), (4392, 145558), (4496, 142191), (4514, 141624), (4662, 137128), (5058, 126392), (5124, 124764), (5328, 119987), (5901, 108336), (6216, 102846), (6744, 94794), (6771, 94416), (6832, 93573), (7686, 83176), (7868, 81252), (8784, 72779), (9028, 70812), (9324, 68564), (10116, 63196), (10248, 62382), (10397, 61488), (11802, 54168), (12432, 51423), (13488, 47397), (13542, 47208), (15372, 41588), (15736, 40626), (15799, 40464), (17141, 37296), (17703, 36112), (18056, 35406), (18648, 34282), (20232, 31598), (20313, 31472), (20496, 31191), (20794, 30744), (23604, 27084)]