280008864

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 144

約数和(自身を含む): 834462720

約数和(自身を除く): 554453856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 79, 93, 96, 124, 144, 158, 186, 237, 248, 279, 288, 316, 372, 397, 474, 496, 558, 632, 711, 744, 794, 948, 992, 1116, 1191, 1264, 1422, 1488, 1588, 1896, 2232, 2382, 2449, 2528, 2844, 2976, 3176, 3573, 3792, 4464, 4764, 4898, 5688, 6352, 7146, 7347, 7584, 8928, 9528, 9796, 11376, 12307, 12704, 14292, 14694, 19056, 19592, 22041, 22752, 24614, 28584, 29388, 31363, 36921, 38112, 39184, 44082, 49228, 57168, 58776, 62726, 73842, 78368, 88164, 94089, 98456, 110763, 114336, 117552, 125452, 147684, 176328, 188178, 196912, 221526, 235104, 250904, 282267, 295368, 352656, 376356, 393824, 443052, 501808, 564534, 590736, 705312, 752712, 886104, 972253, 1003616, 1129068, 1181472, 1505424, 1772208, 1944506, 2258136, 2916759, 3010848, 3544416, 3889012, 4516272, 5833518, 7778024, 8750277, 9032544, 11667036, 15556048, 17500554, 23334072, 31112096, 35001108, 46668144, 70002216, 93336288, 140004432, 280008864]

約数ペア:

[(1, 280008864), (2, 140004432), (3, 93336288), (4, 70002216), (6, 46668144), (8, 35001108), (9, 31112096), (12, 23334072), (16, 17500554), (18, 15556048), (24, 11667036), (31, 9032544), (32, 8750277), (36, 7778024), (48, 5833518), (62, 4516272), (72, 3889012), (79, 3544416), (93, 3010848), (96, 2916759), (124, 2258136), (144, 1944506), (158, 1772208), (186, 1505424), (237, 1181472), (248, 1129068), (279, 1003616), (288, 972253), (316, 886104), (372, 752712), (397, 705312), (474, 590736), (496, 564534), (558, 501808), (632, 443052), (711, 393824), (744, 376356), (794, 352656), (948, 295368), (992, 282267), (1116, 250904), (1191, 235104), (1264, 221526), (1422, 196912), (1488, 188178), (1588, 176328), (1896, 147684), (2232, 125452), (2382, 117552), (2449, 114336), (2528, 110763), (2844, 98456), (2976, 94089), (3176, 88164), (3573, 78368), (3792, 73842), (4464, 62726), (4764, 58776), (4898, 57168), (5688, 49228), (6352, 44082), (7146, 39184), (7347, 38112), (7584, 36921), (8928, 31363), (9528, 29388), (9796, 28584), (11376, 24614), (12307, 22752), (12704, 22041), (14292, 19592), (14694, 19056)]