64220025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 112849920

約数和(自身を除く): 48629895

約数列:

[1, 3, 5, 15, 23, 25, 59, 69, 75, 115, 177, 295, 345, 575, 631, 885, 1357, 1475, 1725, 1893, 3155, 4071, 4425, 6785, 9465, 14513, 15775, 20355, 33925, 37229, 43539, 47325, 72565, 101775, 111687, 186145, 217695, 362825, 558435, 856267, 930725, 1088475, 2568801, 2792175, 4281335, 12844005, 21406675, 64220025]

約数ペア:

[(1, 64220025), (3, 21406675), (5, 12844005), (15, 4281335), (23, 2792175), (25, 2568801), (59, 1088475), (69, 930725), (75, 856267), (115, 558435), (177, 362825), (295, 217695), (345, 186145), (575, 111687), (631, 101775), (885, 72565), (1357, 47325), (1475, 43539), (1725, 37229), (1893, 33925), (3155, 20355), (4071, 15775), (4425, 14513), (6785, 9465)]