80785575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 158427360

約数和(自身を除く): 77641785

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 71, 75, 117, 195, 213, 225, 325, 355, 389, 585, 639, 923, 975, 1065, 1167, 1775, 1945, 2769, 2925, 3195, 3501, 4615, 5057, 5325, 5835, 8307, 9725, 13845, 15171, 15975, 17505, 23075, 25285, 27619, 29175, 41535, 45513, 69225, 75855, 82857, 87525, 126425, 138095, 207675, 227565, 248571, 359047, 379275, 414285, 690475, 1077141, 1137825, 1242855, 1795235, 2071425, 3231423, 5385705, 6214275, 8976175, 16157115, 26928525, 80785575]

約数ペア:

[(1, 80785575), (3, 26928525), (5, 16157115), (9, 8976175), (13, 6214275), (15, 5385705), (25, 3231423), (39, 2071425), (45, 1795235), (65, 1242855), (71, 1137825), (75, 1077141), (117, 690475), (195, 414285), (213, 379275), (225, 359047), (325, 248571), (355, 227565), (389, 207675), (585, 138095), (639, 126425), (923, 87525), (975, 82857), (1065, 75855), (1167, 69225), (1775, 45513), (1945, 41535), (2769, 29175), (2925, 27619), (3195, 25285), (3501, 23075), (4615, 17505), (5057, 15975), (5325, 15171), (5835, 13845), (8307, 9725)]