64311280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 164882304

約数和(自身を除く): 100571024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 683, 856, 880, 1070, 1177, 1366, 1712, 2140, 2354, 2732, 3415, 4280, 4708, 5464, 5885, 6830, 7513, 8560, 9416, 10928, 11770, 13660, 15026, 18832, 23540, 27320, 30052, 37565, 47080, 54640, 60104, 73081, 75130, 94160, 120208, 146162, 150260, 292324, 300520, 365405, 584648, 601040, 730810, 803891, 1169296, 1461620, 1607782, 2923240, 3215564, 4019455, 5846480, 6431128, 8038910, 12862256, 16077820, 32155640, 64311280]

約数ペア:

[(1, 64311280), (2, 32155640), (4, 16077820), (5, 12862256), (8, 8038910), (10, 6431128), (11, 5846480), (16, 4019455), (20, 3215564), (22, 2923240), (40, 1607782), (44, 1461620), (55, 1169296), (80, 803891), (88, 730810), (107, 601040), (110, 584648), (176, 365405), (214, 300520), (220, 292324), (428, 150260), (440, 146162), (535, 120208), (683, 94160), (856, 75130), (880, 73081), (1070, 60104), (1177, 54640), (1366, 47080), (1712, 37565), (2140, 30052), (2354, 27320), (2732, 23540), (3415, 18832), (4280, 15026), (4708, 13660), (5464, 11770), (5885, 10928), (6830, 9416), (7513, 8560)]