140455890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{787}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 375592320

約数和(自身を除く): 235136430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 661, 787, 1322, 1574, 1983, 2361, 3305, 3935, 3966, 4722, 5949, 6610, 7083, 7870, 9915, 11805, 11898, 14166, 17847, 19830, 21249, 23610, 29745, 35415, 35694, 42498, 59490, 70830, 89235, 106245, 178470, 212490, 520207, 1040414, 1560621, 2601035, 3121242, 4681863, 5202070, 7803105, 9363726, 14045589, 15606210, 23409315, 28091178, 46818630, 70227945, 140455890]

約数ペア:

[(1, 140455890), (2, 70227945), (3, 46818630), (5, 28091178), (6, 23409315), (9, 15606210), (10, 14045589), (15, 9363726), (18, 7803105), (27, 5202070), (30, 4681863), (45, 3121242), (54, 2601035), (90, 1560621), (135, 1040414), (270, 520207), (661, 212490), (787, 178470), (1322, 106245), (1574, 89235), (1983, 70830), (2361, 59490), (3305, 42498), (3935, 35694), (3966, 35415), (4722, 29745), (5949, 23610), (6610, 21249), (7083, 19830), (7870, 17847), (9915, 14166), (11805, 11898)]