320287209920

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1\times {\mathrm{12409}}^1$

素因数の和:13526

約数の個数: 112

約数和(自身を含む): 773156899200

約数和(自身を除く): 452869689280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1021, 1264, 1580, 2042, 2528, 3160, 4084, 5056, 5105, 6320, 8168, 10210, 12409, 12640, 16336, 20420, 24818, 25280, 32672, 40840, 49636, 62045, 65344, 80659, 81680, 99272, 124090, 161318, 163360, 198544, 248180, 322636, 326720, 397088, 403295, 496360, 645272, 794176, 806590, 980311, 992720, 1290544, 1613180, 1960622, 1985440, 2581088, 3226360, 3921244, 3970880, 4901555, 5162176, 6452720, 7842488, 9803110, 12669589, 12905440, 15684976, 19606220, 25339178, 25810880, 31369952, 39212440, 50678356, 62739904, 63347945, 78424880, 101356712, 126695890, 156849760, 202713424, 253391780, 313699520, 405426848, 506783560, 810853696, 1000897531, 1013567120, 2001795062, 2027134240, 4003590124, 4054268480, 5004487655, 8007180248, 10008975310, 16014360496, 20017950620, 32028720992, 40035901240, 64057441984, 80071802480, 160143604960, 320287209920]

約数ペア:

[(1, 320287209920), (2, 160143604960), (4, 80071802480), (5, 64057441984), (8, 40035901240), (10, 32028720992), (16, 20017950620), (20, 16014360496), (32, 10008975310), (40, 8007180248), (64, 5004487655), (79, 4054268480), (80, 4003590124), (158, 2027134240), (160, 2001795062), (316, 1013567120), (320, 1000897531), (395, 810853696), (632, 506783560), (790, 405426848), (1021, 313699520), (1264, 253391780), (1580, 202713424), (2042, 156849760), (2528, 126695890), (3160, 101356712), (4084, 78424880), (5056, 63347945), (5105, 62739904), (6320, 50678356), (8168, 39212440), (10210, 31369952), (12409, 25810880), (12640, 25339178), (16336, 19606220), (20420, 15684976), (24818, 12905440), (25280, 12669589), (32672, 9803110), (40840, 7842488), (49636, 6452720), (62045, 5162176), (65344, 4901555), (80659, 3970880), (81680, 3921244), (99272, 3226360), (124090, 2581088), (161318, 1985440), (163360, 1960622), (198544, 1613180), (248180, 1290544), (322636, 992720), (326720, 980311), (397088, 806590), (403295, 794176), (496360, 645272)]