30724780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3929}}^1$

素因数の和:3978

約数の個数: 48

約数和(自身を含む): 71305920

約数和(自身を除く): 40581140

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 3929, 7820, 7858, 15716, 19645, 39290, 66793, 78580, 90367, 133586, 180734, 267172, 333965, 361468, 451835, 667930, 903670, 1335860, 1536239, 1807340, 3072478, 6144956, 7681195, 15362390, 30724780]

約数ペア:

[(1, 30724780), (2, 15362390), (4, 7681195), (5, 6144956), (10, 3072478), (17, 1807340), (20, 1536239), (23, 1335860), (34, 903670), (46, 667930), (68, 451835), (85, 361468), (92, 333965), (115, 267172), (170, 180734), (230, 133586), (340, 90367), (391, 78580), (460, 66793), (782, 39290), (1564, 19645), (1955, 15716), (3910, 7858), (3929, 7820)]