157244720

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2371}}^1$

素因数の和:3213

約数の個数: 40

約数和(自身を含む): 366189360

約数和(自身を除く): 208944640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1658, 2371, 3316, 4145, 4742, 6632, 8290, 9484, 11855, 13264, 16580, 18968, 23710, 33160, 37936, 47420, 66320, 94840, 189680, 1965559, 3931118, 7862236, 9827795, 15724472, 19655590, 31448944, 39311180, 78622360, 157244720]

約数ペア:

[(1, 157244720), (2, 78622360), (4, 39311180), (5, 31448944), (8, 19655590), (10, 15724472), (16, 9827795), (20, 7862236), (40, 3931118), (80, 1965559), (829, 189680), (1658, 94840), (2371, 66320), (3316, 47420), (4145, 37936), (4742, 33160), (6632, 23710), (8290, 18968), (9484, 16580), (11855, 13264)]