687168990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{11551}}^1$

素因数の和:12225

約数の個数: 48

約数和(自身を含む): 1789497216

約数和(自身を除く): 1102328226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 661, 1322, 1983, 3305, 3966, 5949, 6610, 9915, 11551, 11898, 19830, 23102, 29745, 34653, 57755, 59490, 69306, 103959, 115510, 173265, 207918, 346530, 519795, 1039590, 7635211, 15270422, 22905633, 38176055, 45811266, 68716899, 76352110, 114528165, 137433798, 229056330, 343584495, 687168990]

約数ペア:

[(1, 687168990), (2, 343584495), (3, 229056330), (5, 137433798), (6, 114528165), (9, 76352110), (10, 68716899), (15, 45811266), (18, 38176055), (30, 22905633), (45, 15270422), (90, 7635211), (661, 1039590), (1322, 519795), (1983, 346530), (3305, 207918), (3966, 173265), (5949, 115510), (6610, 103959), (9915, 69306), (11551, 59490), (11898, 57755), (19830, 34653), (23102, 29745)]