164056960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8269}}^1$

素因数の和:8319

約数の個数: 64

約数和(自身を含む): 404899200

約数和(自身を除く): 240842240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8269, 9920, 16538, 19840, 33076, 41345, 66152, 82690, 132304, 165380, 256339, 264608, 330760, 512678, 529216, 661520, 1025356, 1058432, 1281695, 1323040, 2050712, 2563390, 2646080, 4101424, 5126780, 5292160, 8202848, 10253560, 16405696, 20507120, 32811392, 41014240, 82028480, 164056960]

約数ペア:

[(1, 164056960), (2, 82028480), (4, 41014240), (5, 32811392), (8, 20507120), (10, 16405696), (16, 10253560), (20, 8202848), (31, 5292160), (32, 5126780), (40, 4101424), (62, 2646080), (64, 2563390), (80, 2050712), (124, 1323040), (128, 1281695), (155, 1058432), (160, 1025356), (248, 661520), (310, 529216), (320, 512678), (496, 330760), (620, 264608), (640, 256339), (992, 165380), (1240, 132304), (1984, 82690), (2480, 66152), (3968, 41345), (4960, 33076), (8269, 19840), (9920, 16538)]