20239675125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{619}}^1$

素因数の和:900

約数の個数: 128

約数和(自身を含む): 37437603840

約数和(自身を除く): 17197928715

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 125, 223, 255, 345, 375, 391, 425, 575, 619, 669, 1115, 1173, 1275, 1725, 1857, 1955, 2125, 2875, 3095, 3345, 3791, 5129, 5575, 5865, 6375, 8625, 9285, 9775, 10523, 11373, 14237, 15387, 15475, 16725, 18955, 25645, 27875, 29325, 31569, 42711, 46425, 48875, 52615, 56865, 71185, 76935, 77375, 83625, 87193, 94775, 128225, 138037, 146625, 157845, 213555, 232125, 242029, 261579, 263075, 284325, 355925, 384675, 414111, 435965, 473875, 641125, 690185, 726087, 789225, 1067775, 1210145, 1307895, 1315375, 1421625, 1779625, 1923375, 2070555, 2179825, 2346629, 3174851, 3450925, 3630435, 3946125, 5338875, 6050725, 6539475, 7039887, 9524553, 10352775, 10899125, 11733145, 15874255, 17254625, 18152175, 30253625, 32697375, 35199435, 47622765, 51763875, 53972467, 58665725, 79371275, 90760875, 161917401, 175997175, 238113825, 269862335, 293328625, 396856375, 809587005, 879985875, 1190569125, 1349311675, 4047935025, 6746558375, 20239675125]

約数ペア:

[(1, 20239675125), (3, 6746558375), (5, 4047935025), (15, 1349311675), (17, 1190569125), (23, 879985875), (25, 809587005), (51, 396856375), (69, 293328625), (75, 269862335), (85, 238113825), (115, 175997175), (125, 161917401), (223, 90760875), (255, 79371275), (345, 58665725), (375, 53972467), (391, 51763875), (425, 47622765), (575, 35199435), (619, 32697375), (669, 30253625), (1115, 18152175), (1173, 17254625), (1275, 15874255), (1725, 11733145), (1857, 10899125), (1955, 10352775), (2125, 9524553), (2875, 7039887), (3095, 6539475), (3345, 6050725), (3791, 5338875), (5129, 3946125), (5575, 3630435), (5865, 3450925), (6375, 3174851), (8625, 2346629), (9285, 2179825), (9775, 2070555), (10523, 1923375), (11373, 1779625), (14237, 1421625), (15387, 1315375), (15475, 1307895), (16725, 1210145), (18955, 1067775), (25645, 789225), (27875, 726087), (29325, 690185), (31569, 641125), (42711, 473875), (46425, 435965), (48875, 414111), (52615, 384675), (56865, 355925), (71185, 284325), (76935, 263075), (77375, 261579), (83625, 242029), (87193, 232125), (94775, 213555), (128225, 157845), (138037, 146625)]