78245790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{911}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 215377920

約数和(自身を除く): 137132130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 409, 818, 911, 1227, 1822, 2045, 2454, 2733, 2863, 4090, 4555, 5466, 5726, 6135, 6377, 8589, 9110, 12270, 12754, 13665, 14315, 17178, 19131, 27330, 28630, 31885, 38262, 42945, 63770, 85890, 95655, 191310, 372599, 745198, 1117797, 1862995, 2235594, 2608193, 3725990, 5216386, 5588985, 7824579, 11177970, 13040965, 15649158, 26081930, 39122895, 78245790]

約数ペア:

[(1, 78245790), (2, 39122895), (3, 26081930), (5, 15649158), (6, 13040965), (7, 11177970), (10, 7824579), (14, 5588985), (15, 5216386), (21, 3725990), (30, 2608193), (35, 2235594), (42, 1862995), (70, 1117797), (105, 745198), (210, 372599), (409, 191310), (818, 95655), (911, 85890), (1227, 63770), (1822, 42945), (2045, 38262), (2454, 31885), (2733, 28630), (2863, 27330), (4090, 19131), (4555, 17178), (5466, 14315), (5726, 13665), (6135, 12754), (6377, 12270), (8589, 9110)]