71706440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1889}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 176223600

約数和(自身を除く): 104517160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1889, 1898, 2920, 3778, 3796, 4745, 7556, 7592, 9445, 9490, 15112, 18890, 18980, 24557, 37780, 37960, 49114, 75560, 98228, 122785, 137897, 196456, 245570, 275794, 491140, 551588, 689485, 982280, 1103176, 1378970, 1792661, 2757940, 3585322, 5515880, 7170644, 8963305, 14341288, 17926610, 35853220, 71706440]

約数ペア:

[(1, 71706440), (2, 35853220), (4, 17926610), (5, 14341288), (8, 8963305), (10, 7170644), (13, 5515880), (20, 3585322), (26, 2757940), (40, 1792661), (52, 1378970), (65, 1103176), (73, 982280), (104, 689485), (130, 551588), (146, 491140), (260, 275794), (292, 245570), (365, 196456), (520, 137897), (584, 122785), (730, 98228), (949, 75560), (1460, 49114), (1889, 37960), (1898, 37780), (2920, 24557), (3778, 18980), (3796, 18890), (4745, 15112), (7556, 9490), (7592, 9445)]