420672640

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6143}}^1$

素因数の和:6269

約数の個数: 64

約数和(自身を含む): 1015234560

約数和(自身を除く): 594561920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 1070, 1712, 2140, 3424, 4280, 6143, 6848, 8560, 12286, 13696, 17120, 24572, 30715, 34240, 49144, 61430, 68480, 98288, 122860, 196576, 245720, 393152, 491440, 657301, 786304, 982880, 1314602, 1965760, 2629204, 3286505, 3931520, 5258408, 6573010, 10516816, 13146020, 21033632, 26292040, 42067264, 52584080, 84134528, 105168160, 210336320, 420672640]

約数ペア:

[(1, 420672640), (2, 210336320), (4, 105168160), (5, 84134528), (8, 52584080), (10, 42067264), (16, 26292040), (20, 21033632), (32, 13146020), (40, 10516816), (64, 6573010), (80, 5258408), (107, 3931520), (128, 3286505), (160, 2629204), (214, 1965760), (320, 1314602), (428, 982880), (535, 786304), (640, 657301), (856, 491440), (1070, 393152), (1712, 245720), (2140, 196576), (3424, 122860), (4280, 98288), (6143, 68480), (6848, 61430), (8560, 49144), (12286, 34240), (13696, 30715), (17120, 24572)]