31077160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 74505600

約数和(自身を除く): 43428440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 397, 412, 515, 760, 794, 824, 1030, 1588, 1957, 1985, 2060, 3176, 3914, 3970, 4120, 7543, 7828, 7940, 9785, 15086, 15656, 15880, 19570, 30172, 37715, 39140, 40891, 60344, 75430, 78280, 81782, 150860, 163564, 204455, 301720, 327128, 408910, 776929, 817820, 1553858, 1635640, 3107716, 3884645, 6215432, 7769290, 15538580, 31077160]

約数ペア:

[(1, 31077160), (2, 15538580), (4, 7769290), (5, 6215432), (8, 3884645), (10, 3107716), (19, 1635640), (20, 1553858), (38, 817820), (40, 776929), (76, 408910), (95, 327128), (103, 301720), (152, 204455), (190, 163564), (206, 150860), (380, 81782), (397, 78280), (412, 75430), (515, 60344), (760, 40891), (794, 39140), (824, 37715), (1030, 30172), (1588, 19570), (1957, 15880), (1985, 15656), (2060, 15086), (3176, 9785), (3914, 7940), (3970, 7828), (4120, 7543)]