64255660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 158291280

約数和(自身を除く): 94035620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 346, 379, 490, 692, 758, 865, 980, 1211, 1516, 1730, 1895, 2422, 2653, 3460, 3790, 4844, 5306, 6055, 7580, 8477, 10612, 12110, 13265, 16954, 18571, 24220, 26530, 33908, 37142, 42385, 53060, 65567, 74284, 84770, 92855, 131134, 169540, 185710, 262268, 327835, 371420, 458969, 655670, 917938, 1311340, 1835876, 2294845, 3212783, 4589690, 6425566, 9179380, 12851132, 16063915, 32127830, 64255660]

約数ペア:

[(1, 64255660), (2, 32127830), (4, 16063915), (5, 12851132), (7, 9179380), (10, 6425566), (14, 4589690), (20, 3212783), (28, 2294845), (35, 1835876), (49, 1311340), (70, 917938), (98, 655670), (140, 458969), (173, 371420), (196, 327835), (245, 262268), (346, 185710), (379, 169540), (490, 131134), (692, 92855), (758, 84770), (865, 74284), (980, 65567), (1211, 53060), (1516, 42385), (1730, 37142), (1895, 33908), (2422, 26530), (2653, 24220), (3460, 18571), (3790, 16954), (4844, 13265), (5306, 12110), (6055, 10612), (7580, 8477)]