61440040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90353}}^1$

素因数の和:90381

約数の個数: 32

約数和(自身を含む): 146373480

約数和(自身を除く): 84933440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90353, 180706, 361412, 451765, 722824, 903530, 1536001, 1807060, 3072002, 3614120, 6144004, 7680005, 12288008, 15360010, 30720020, 61440040]

約数ペア:

[(1, 61440040), (2, 30720020), (4, 15360010), (5, 12288008), (8, 7680005), (10, 6144004), (17, 3614120), (20, 3072002), (34, 1807060), (40, 1536001), (68, 903530), (85, 722824), (136, 451765), (170, 361412), (340, 180706), (680, 90353)]