30487913480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{238709}}^1$

素因数の和:238854

約数の個数: 64

約数和(自身を含む): 71498419200

約数和(自身を除く): 41010505720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1240, 2060, 3193, 4120, 6386, 12772, 15965, 25544, 31930, 63860, 127720, 238709, 477418, 954836, 1193545, 1909672, 2387090, 4774180, 7399979, 9548360, 14799958, 24587027, 29599916, 36999895, 49174054, 59199832, 73999790, 98348108, 122935135, 147999580, 196696216, 245870270, 295999160, 491740540, 762197837, 983481080, 1524395674, 3048791348, 3810989185, 6097582696, 7621978370, 15243956740, 30487913480]

約数ペア:

[(1, 30487913480), (2, 15243956740), (4, 7621978370), (5, 6097582696), (8, 3810989185), (10, 3048791348), (20, 1524395674), (31, 983481080), (40, 762197837), (62, 491740540), (103, 295999160), (124, 245870270), (155, 196696216), (206, 147999580), (248, 122935135), (310, 98348108), (412, 73999790), (515, 59199832), (620, 49174054), (824, 36999895), (1030, 29599916), (1240, 24587027), (2060, 14799958), (3193, 9548360), (4120, 7399979), (6386, 4774180), (12772, 2387090), (15965, 1909672), (25544, 1193545), (31930, 954836), (63860, 477418), (127720, 238709)]