15694261940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{63803}}^1$

素因数の和:64077

約数の個数: 72

約数和(自身を含む): 38492187552

約数和(自身を除く): 22797925612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 490, 502, 980, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 12299, 17570, 24598, 35140, 49196, 61495, 63803, 122990, 127606, 245980, 255212, 319015, 446621, 638030, 893242, 1276060, 1786484, 2233105, 3126347, 4466210, 6252694, 8932420, 12505388, 15631735, 16014553, 31263470, 32029106, 62526940, 64058212, 80072765, 112101871, 160145530, 224203742, 320291060, 448407484, 560509355, 784713097, 1121018710, 1569426194, 2242037420, 3138852388, 3923565485, 7847130970, 15694261940]

約数ペア:

[(1, 15694261940), (2, 7847130970), (4, 3923565485), (5, 3138852388), (7, 2242037420), (10, 1569426194), (14, 1121018710), (20, 784713097), (28, 560509355), (35, 448407484), (49, 320291060), (70, 224203742), (98, 160145530), (140, 112101871), (196, 80072765), (245, 64058212), (251, 62526940), (490, 32029106), (502, 31263470), (980, 16014553), (1004, 15631735), (1255, 12505388), (1757, 8932420), (2510, 6252694), (3514, 4466210), (5020, 3126347), (7028, 2233105), (8785, 1786484), (12299, 1276060), (17570, 893242), (24598, 638030), (35140, 446621), (49196, 319015), (61495, 255212), (63803, 245980), (122990, 127606)]