78403950

素因数分解:

$2^1\times 3^8\times 5^2\times {\mathrm{239}}^1$

素因数の和:275

約数の個数: 108

約数和(自身を含む): 219651120

約数和(自身を除く): 141247170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 239, 243, 270, 405, 450, 478, 486, 675, 717, 729, 810, 1195, 1215, 1350, 1434, 1458, 2025, 2151, 2187, 2390, 2430, 3585, 3645, 4050, 4302, 4374, 5975, 6075, 6453, 6561, 7170, 7290, 10755, 10935, 11950, 12150, 12906, 13122, 17925, 18225, 19359, 21510, 21870, 32265, 32805, 35850, 36450, 38718, 53775, 54675, 58077, 64530, 65610, 96795, 107550, 109350, 116154, 161325, 164025, 174231, 193590, 290385, 322650, 328050, 348462, 483975, 522693, 580770, 871155, 967950, 1045386, 1451925, 1568079, 1742310, 2613465, 2903850, 3136158, 4355775, 5226930, 7840395, 8711550, 13067325, 15680790, 26134650, 39201975, 78403950]

約数ペア:

[(1, 78403950), (2, 39201975), (3, 26134650), (5, 15680790), (6, 13067325), (9, 8711550), (10, 7840395), (15, 5226930), (18, 4355775), (25, 3136158), (27, 2903850), (30, 2613465), (45, 1742310), (50, 1568079), (54, 1451925), (75, 1045386), (81, 967950), (90, 871155), (135, 580770), (150, 522693), (162, 483975), (225, 348462), (239, 328050), (243, 322650), (270, 290385), (405, 193590), (450, 174231), (478, 164025), (486, 161325), (675, 116154), (717, 109350), (729, 107550), (810, 96795), (1195, 65610), (1215, 64530), (1350, 58077), (1434, 54675), (1458, 53775), (2025, 38718), (2151, 36450), (2187, 35850), (2390, 32805), (2430, 32265), (3585, 21870), (3645, 21510), (4050, 19359), (4302, 18225), (4374, 17925), (5975, 13122), (6075, 12906), (6453, 12150), (6561, 11950), (7170, 10935), (7290, 10755)]