7812450

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{643}}^1$

素因数の和:670

約数の個数: 72

約数和(自身を含む): 21800688

約数和(自身を除く): 13988238

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, 243, 270, 405, 450, 486, 643, 675, 810, 1215, 1286, 1350, 1929, 2025, 2430, 3215, 3858, 4050, 5787, 6075, 6430, 9645, 11574, 12150, 16075, 17361, 19290, 28935, 32150, 34722, 48225, 52083, 57870, 86805, 96450, 104166, 144675, 156249, 173610, 260415, 289350, 312498, 434025, 520830, 781245, 868050, 1302075, 1562490, 2604150, 3906225, 7812450]

約数ペア:

[(1, 7812450), (2, 3906225), (3, 2604150), (5, 1562490), (6, 1302075), (9, 868050), (10, 781245), (15, 520830), (18, 434025), (25, 312498), (27, 289350), (30, 260415), (45, 173610), (50, 156249), (54, 144675), (75, 104166), (81, 96450), (90, 86805), (135, 57870), (150, 52083), (162, 48225), (225, 34722), (243, 32150), (270, 28935), (405, 19290), (450, 17361), (486, 16075), (643, 12150), (675, 11574), (810, 9645), (1215, 6430), (1286, 6075), (1350, 5787), (1929, 4050), (2025, 3858), (2430, 3215)]