215414720

素因数分解:

$2^6\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1907}}^1$

素因数の和:2277

約数の個数: 56

約数和(自身を含む): 514679184

約数和(自身を除く): 299264464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 353, 706, 1412, 1765, 1907, 2824, 3530, 3814, 5648, 7060, 7628, 9535, 11296, 14120, 15256, 19070, 22592, 28240, 30512, 38140, 56480, 61024, 76280, 112960, 122048, 152560, 305120, 610240, 673171, 1346342, 2692684, 3365855, 5385368, 6731710, 10770736, 13463420, 21541472, 26926840, 43082944, 53853680, 107707360, 215414720]

約数ペア:

[(1, 215414720), (2, 107707360), (4, 53853680), (5, 43082944), (8, 26926840), (10, 21541472), (16, 13463420), (20, 10770736), (32, 6731710), (40, 5385368), (64, 3365855), (80, 2692684), (160, 1346342), (320, 673171), (353, 610240), (706, 305120), (1412, 152560), (1765, 122048), (1907, 112960), (2824, 76280), (3530, 61024), (3814, 56480), (5648, 38140), (7060, 30512), (7628, 28240), (9535, 22592), (11296, 19070), (14120, 15256)]