2570320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 60

約数和(自身を含む): 6377940

約数和(自身を除く): 3807620

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 361, 380, 445, 712, 722, 760, 890, 1424, 1444, 1520, 1691, 1780, 1805, 2888, 3382, 3560, 3610, 5776, 6764, 7120, 7220, 8455, 13528, 14440, 16910, 27056, 28880, 32129, 33820, 64258, 67640, 128516, 135280, 160645, 257032, 321290, 514064, 642580, 1285160, 2570320]

約数ペア:

[(1, 2570320), (2, 1285160), (4, 642580), (5, 514064), (8, 321290), (10, 257032), (16, 160645), (19, 135280), (20, 128516), (38, 67640), (40, 64258), (76, 33820), (80, 32129), (89, 28880), (95, 27056), (152, 16910), (178, 14440), (190, 13528), (304, 8455), (356, 7220), (361, 7120), (380, 6764), (445, 5776), (712, 3610), (722, 3560), (760, 3382), (890, 2888), (1424, 1805), (1444, 1780), (1520, 1691)]