668952320

素因数分解:

$2^8\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2243}}^1$

素因数の和:2497

約数の個数: 72

約数和(自身を含む): 1609944336

約数和(自身を除く): 940992016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 256, 320, 466, 640, 932, 1165, 1280, 1864, 2243, 2330, 3728, 4486, 4660, 7456, 8972, 9320, 11215, 14912, 17944, 18640, 22430, 29824, 35888, 37280, 44860, 59648, 71776, 74560, 89720, 143552, 149120, 179440, 287104, 298240, 358880, 522619, 574208, 717760, 1045238, 1435520, 2090476, 2613095, 2871040, 4180952, 5226190, 8361904, 10452380, 16723808, 20904760, 33447616, 41809520, 66895232, 83619040, 133790464, 167238080, 334476160, 668952320]

約数ペア:

[(1, 668952320), (2, 334476160), (4, 167238080), (5, 133790464), (8, 83619040), (10, 66895232), (16, 41809520), (20, 33447616), (32, 20904760), (40, 16723808), (64, 10452380), (80, 8361904), (128, 5226190), (160, 4180952), (233, 2871040), (256, 2613095), (320, 2090476), (466, 1435520), (640, 1045238), (932, 717760), (1165, 574208), (1280, 522619), (1864, 358880), (2243, 298240), (2330, 287104), (3728, 179440), (4486, 149120), (4660, 143552), (7456, 89720), (8972, 74560), (9320, 71776), (11215, 59648), (14912, 44860), (17944, 37280), (18640, 35888), (22430, 29824)]