261165184

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:115

約数の個数: 192

約数和(自身を含む): 676872000

約数和(自身を除く): 415706816

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 29, 32, 38, 46, 56, 58, 64, 76, 92, 112, 116, 128, 133, 152, 161, 184, 203, 224, 232, 266, 304, 322, 368, 406, 437, 448, 464, 529, 532, 551, 608, 644, 667, 736, 812, 874, 896, 928, 1058, 1064, 1102, 1216, 1288, 1334, 1472, 1624, 1748, 1856, 2116, 2128, 2204, 2432, 2576, 2668, 2944, 3059, 3248, 3496, 3703, 3712, 3857, 4232, 4256, 4408, 4669, 5152, 5336, 6118, 6496, 6992, 7406, 7714, 8464, 8512, 8816, 9338, 10051, 10304, 10672, 12236, 12673, 12992, 13984, 14812, 15341, 15428, 16928, 17024, 17632, 18676, 20102, 20608, 21344, 24472, 25346, 25984, 27968, 29624, 30682, 30856, 33856, 35264, 37352, 40204, 42688, 48944, 50692, 55936, 59248, 61364, 61712, 67712, 70357, 70528, 74704, 80408, 85376, 88711, 97888, 101384, 107387, 118496, 122728, 123424, 140714, 149408, 160816, 177422, 195776, 202768, 214774, 236992, 245456, 246848, 281428, 291479, 298816, 321632, 354844, 391552, 405536, 429548, 473984, 490912, 493696, 562856, 582958, 597632, 643264, 709688, 811072, 859096, 981824, 1125712, 1165916, 1286528, 1419376, 1622144, 1718192, 1963648, 2040353, 2251424, 2331832, 2838752, 3436384, 4080706, 4502848, 4663664, 5677504, 6872768, 8161412, 9005696, 9327328, 11355008, 13745536, 16322824, 18654656, 32645648, 37309312, 65291296, 130582592, 261165184]

約数ペア:

[(1, 261165184), (2, 130582592), (4, 65291296), (7, 37309312), (8, 32645648), (14, 18654656), (16, 16322824), (19, 13745536), (23, 11355008), (28, 9327328), (29, 9005696), (32, 8161412), (38, 6872768), (46, 5677504), (56, 4663664), (58, 4502848), (64, 4080706), (76, 3436384), (92, 2838752), (112, 2331832), (116, 2251424), (128, 2040353), (133, 1963648), (152, 1718192), (161, 1622144), (184, 1419376), (203, 1286528), (224, 1165916), (232, 1125712), (266, 981824), (304, 859096), (322, 811072), (368, 709688), (406, 643264), (437, 597632), (448, 582958), (464, 562856), (529, 493696), (532, 490912), (551, 473984), (608, 429548), (644, 405536), (667, 391552), (736, 354844), (812, 321632), (874, 298816), (896, 291479), (928, 281428), (1058, 246848), (1064, 245456), (1102, 236992), (1216, 214774), (1288, 202768), (1334, 195776), (1472, 177422), (1624, 160816), (1748, 149408), (1856, 140714), (2116, 123424), (2128, 122728), (2204, 118496), (2432, 107387), (2576, 101384), (2668, 97888), (2944, 88711), (3059, 85376), (3248, 80408), (3496, 74704), (3703, 70528), (3712, 70357), (3857, 67712), (4232, 61712), (4256, 61364), (4408, 59248), (4669, 55936), (5152, 50692), (5336, 48944), (6118, 42688), (6496, 40204), (6992, 37352), (7406, 35264), (7714, 33856), (8464, 30856), (8512, 30682), (8816, 29624), (9338, 27968), (10051, 25984), (10304, 25346), (10672, 24472), (12236, 21344), (12673, 20608), (12992, 20102), (13984, 18676), (14812, 17632), (15341, 17024), (15428, 16928)]