1226867720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{1889}}^1$

素因数の和:3162

約数の個数: 64

約数和(自身を含む): 2976750000

約数和(自身を除く): 1749882280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1249, 1889, 2498, 3778, 4996, 6245, 7556, 9445, 9992, 12490, 15112, 16237, 18890, 24557, 24980, 32474, 37780, 49114, 49960, 64948, 75560, 81185, 98228, 122785, 129896, 162370, 196456, 245570, 324740, 491140, 649480, 982280, 2359361, 4718722, 9437444, 11796805, 18874888, 23593610, 30671693, 47187220, 61343386, 94374440, 122686772, 153358465, 245373544, 306716930, 613433860, 1226867720]

約数ペア:

[(1, 1226867720), (2, 613433860), (4, 306716930), (5, 245373544), (8, 153358465), (10, 122686772), (13, 94374440), (20, 61343386), (26, 47187220), (40, 30671693), (52, 23593610), (65, 18874888), (104, 11796805), (130, 9437444), (260, 4718722), (520, 2359361), (1249, 982280), (1889, 649480), (2498, 491140), (3778, 324740), (4996, 245570), (6245, 196456), (7556, 162370), (9445, 129896), (9992, 122785), (12490, 98228), (15112, 81185), (16237, 75560), (18890, 64948), (24557, 49960), (24980, 49114), (32474, 37780)]