13288480

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 72

約数和(自身を含む): 33027372

約数和(自身を除く): 19738892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 157, 160, 184, 230, 314, 368, 460, 529, 628, 736, 785, 920, 1058, 1256, 1570, 1840, 2116, 2512, 2645, 3140, 3611, 3680, 4232, 5024, 5290, 6280, 7222, 8464, 10580, 12560, 14444, 16928, 18055, 21160, 25120, 28888, 36110, 42320, 57776, 72220, 83053, 84640, 115552, 144440, 166106, 288880, 332212, 415265, 577760, 664424, 830530, 1328848, 1661060, 2657696, 3322120, 6644240, 13288480]

約数ペア:

[(1, 13288480), (2, 6644240), (4, 3322120), (5, 2657696), (8, 1661060), (10, 1328848), (16, 830530), (20, 664424), (23, 577760), (32, 415265), (40, 332212), (46, 288880), (80, 166106), (92, 144440), (115, 115552), (157, 84640), (160, 83053), (184, 72220), (230, 57776), (314, 42320), (368, 36110), (460, 28888), (529, 25120), (628, 21160), (736, 18055), (785, 16928), (920, 14444), (1058, 12560), (1256, 10580), (1570, 8464), (1840, 7222), (2116, 6280), (2512, 5290), (2645, 5024), (3140, 4232), (3611, 3680)]