135728780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1709}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 328361040

約数和(自身を除く): 192632260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1709, 1805, 2090, 3418, 3610, 3971, 4180, 6836, 7220, 7942, 8545, 15884, 17090, 18799, 19855, 32471, 34180, 37598, 39710, 64942, 75196, 79420, 93995, 129884, 162355, 187990, 324710, 357181, 375980, 616949, 649420, 714362, 1233898, 1428724, 1785905, 2467796, 3084745, 3571810, 6169490, 6786439, 7143620, 12338980, 13572878, 27145756, 33932195, 67864390, 135728780]

約数ペア:

[(1, 135728780), (2, 67864390), (4, 33932195), (5, 27145756), (10, 13572878), (11, 12338980), (19, 7143620), (20, 6786439), (22, 6169490), (38, 3571810), (44, 3084745), (55, 2467796), (76, 1785905), (95, 1428724), (110, 1233898), (190, 714362), (209, 649420), (220, 616949), (361, 375980), (380, 357181), (418, 324710), (722, 187990), (836, 162355), (1045, 129884), (1444, 93995), (1709, 79420), (1805, 75196), (2090, 64942), (3418, 39710), (3610, 37598), (3971, 34180), (4180, 32471), (6836, 19855), (7220, 18799), (7942, 17090), (8545, 15884)]