551330720

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 1331724240

約数和(自身を除く): 780393520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 109, 160, 202, 218, 313, 404, 436, 505, 545, 626, 808, 872, 1010, 1090, 1252, 1565, 1616, 1744, 2020, 2180, 2504, 3130, 3232, 3488, 4040, 4360, 5008, 6260, 8080, 8720, 10016, 11009, 12520, 16160, 17440, 22018, 25040, 31613, 34117, 44036, 50080, 55045, 63226, 68234, 88072, 110090, 126452, 136468, 158065, 170585, 176144, 220180, 252904, 272936, 316130, 341170, 352288, 440360, 505808, 545872, 632260, 682340, 880720, 1011616, 1091744, 1264520, 1364680, 1761440, 2529040, 2729360, 3445817, 5058080, 5458720, 6891634, 13783268, 17229085, 27566536, 34458170, 55133072, 68916340, 110266144, 137832680, 275665360, 551330720]

約数ペア:

[(1, 551330720), (2, 275665360), (4, 137832680), (5, 110266144), (8, 68916340), (10, 55133072), (16, 34458170), (20, 27566536), (32, 17229085), (40, 13783268), (80, 6891634), (101, 5458720), (109, 5058080), (160, 3445817), (202, 2729360), (218, 2529040), (313, 1761440), (404, 1364680), (436, 1264520), (505, 1091744), (545, 1011616), (626, 880720), (808, 682340), (872, 632260), (1010, 545872), (1090, 505808), (1252, 440360), (1565, 352288), (1616, 341170), (1744, 316130), (2020, 272936), (2180, 252904), (2504, 220180), (3130, 176144), (3232, 170585), (3488, 158065), (4040, 136468), (4360, 126452), (5008, 110090), (6260, 88072), (8080, 68234), (8720, 63226), (10016, 55045), (11009, 50080), (12520, 44036), (16160, 34117), (17440, 31613), (22018, 25040)]