80494440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51599}}^1$

素因数の和:51626

約数の個数: 64

約数和(自身を含む): 260064000

約数和(自身を除く): 179569560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51599, 103198, 154797, 206396, 257995, 309594, 412792, 515990, 619188, 670787, 773985, 1031980, 1238376, 1341574, 1547970, 2012361, 2063960, 2683148, 3095940, 3353935, 4024722, 5366296, 6191880, 6707870, 8049444, 10061805, 13415740, 16098888, 20123610, 26831480, 40247220, 80494440]

約数ペア:

[(1, 80494440), (2, 40247220), (3, 26831480), (4, 20123610), (5, 16098888), (6, 13415740), (8, 10061805), (10, 8049444), (12, 6707870), (13, 6191880), (15, 5366296), (20, 4024722), (24, 3353935), (26, 3095940), (30, 2683148), (39, 2063960), (40, 2012361), (52, 1547970), (60, 1341574), (65, 1238376), (78, 1031980), (104, 773985), (120, 670787), (130, 619188), (156, 515990), (195, 412792), (260, 309594), (312, 257995), (390, 206396), (520, 154797), (780, 103198), (1560, 51599)]