255481520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4517}}^1$

素因数の和:4638

約数の個数: 80

約数和(自身を含む): 685723968

約数和(自身を除く): 430242448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2828, 3535, 4040, 4517, 5656, 7070, 8080, 9034, 11312, 14140, 18068, 22585, 28280, 31619, 36136, 45170, 56560, 63238, 72272, 90340, 126476, 158095, 180680, 252952, 316190, 361360, 456217, 505904, 632380, 912434, 1264760, 1824868, 2281085, 2529520, 3193519, 3649736, 4562170, 6387038, 7299472, 9124340, 12774076, 15967595, 18248680, 25548152, 31935190, 36497360, 51096304, 63870380, 127740760, 255481520]

約数ペア:

[(1, 255481520), (2, 127740760), (4, 63870380), (5, 51096304), (7, 36497360), (8, 31935190), (10, 25548152), (14, 18248680), (16, 15967595), (20, 12774076), (28, 9124340), (35, 7299472), (40, 6387038), (56, 4562170), (70, 3649736), (80, 3193519), (101, 2529520), (112, 2281085), (140, 1824868), (202, 1264760), (280, 912434), (404, 632380), (505, 505904), (560, 456217), (707, 361360), (808, 316190), (1010, 252952), (1414, 180680), (1616, 158095), (2020, 126476), (2828, 90340), (3535, 72272), (4040, 63238), (4517, 56560), (5656, 45170), (7070, 36136), (8080, 31619), (9034, 28280), (11312, 22585), (14140, 18068)]