642320695296

素因数分解:

$2^{18}\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 912

約数和(自身を含む): 2355516633600

約数和(自身を除く): 1713195938304

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 23, 24, 28, 32, 36, 38, 42, 46, 48, 56, 57, 63, 64, 69, 72, 76, 84, 89, 92, 96, 112, 114, 126, 128, 133, 138, 144, 152, 161, 168, 171, 178, 184, 192, 207, 224, 228, 252, 256, 266, 267, 276, 288, 304, 322, 336, 342, 356, 368, 384, 399, 414, 437, 448, 456, 483, 504, 512, 532, 534, 552, 576, 608, 623, 644, 672, 684, 712, 736, 768, 798, 801, 828, 874, 896, 912, 966, 1008, 1024, 1064, 1068, 1104, 1152, 1197, 1216, 1246, 1288, 1311, 1344, 1368, 1424, 1449, 1472, 1536, 1596, 1602, 1656, 1691, 1748, 1792, 1824, 1869, 1932, 2016, 2047, 2048, 2128, 2136, 2208, 2304, 2394, 2432, 2492, 2576, 2622, 2688, 2736, 2848, 2898, 2944, 3059, 3072, 3192, 3204, 3312, 3382, 3496, 3584, 3648, 3738, 3864, 3933, 4032, 4094, 4096, 4256, 4272, 4416, 4608, 4788, 4864, 4984, 5073, 5152, 5244, 5376, 5472, 5607, 5696, 5796, 5888, 6118, 6141, 6144, 6384, 6408, 6624, 6764, 6992, 7168, 7296, 7476, 7728, 7866, 8064, 8188, 8192, 8512, 8544, 8832, 9177, 9216, 9576, 9728, 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約数ペア:

[(1, 642320695296), (2, 321160347648), (3, 214106898432), (4, 160580173824), (6, 107053449216), (7, 91760099328), (8, 80290086912), (9, 71368966144), (12, 53526724608), (14, 45880049664), (16, 40145043456), (18, 35684483072), (19, 33806352384), (21, 30586699776), (23, 27926986752), (24, 26763362304), (28, 22940024832), (32, 20072521728), (36, 17842241536), (38, 16903176192), (42, 15293349888), (46, 13963493376), (48, 13381681152), (56, 11470012416), (57, 11268784128), (63, 10195566592), (64, 10036260864), (69, 9308995584), (72, 8921120768), (76, 8451588096), (84, 7646674944), (89, 7217086464), (92, 6981746688), (96, 6690840576), (112, 5735006208), (114, 5634392064), (126, 5097783296), (128, 5018130432), (133, 4829478912), (138, 4654497792), (144, 4460560384), (152, 4225794048), (161, 3989569536), (168, 3823337472), (171, 3756261376), (178, 3608543232), (184, 3490873344), (192, 3345420288), (207, 3102998528), (224, 2867503104), (228, 2817196032), (252, 2548891648), (256, 2509065216), 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