643253120

素因数分解:

$2^7\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1307}}^1$

素因数の和:2095

約数の個数: 64

約数和(自身を含む): 1540954800

約数和(自身を除く): 897701680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 769, 1307, 1538, 2614, 3076, 3845, 5228, 6152, 6535, 7690, 10456, 12304, 13070, 15380, 20912, 24608, 26140, 30760, 41824, 49216, 52280, 61520, 83648, 98432, 104560, 123040, 167296, 209120, 246080, 418240, 492160, 836480, 1005083, 2010166, 4020332, 5025415, 8040664, 10050830, 16081328, 20101660, 32162656, 40203320, 64325312, 80406640, 128650624, 160813280, 321626560, 643253120]

約数ペア:

[(1, 643253120), (2, 321626560), (4, 160813280), (5, 128650624), (8, 80406640), (10, 64325312), (16, 40203320), (20, 32162656), (32, 20101660), (40, 16081328), (64, 10050830), (80, 8040664), (128, 5025415), (160, 4020332), (320, 2010166), (640, 1005083), (769, 836480), (1307, 492160), (1538, 418240), (2614, 246080), (3076, 209120), (3845, 167296), (5228, 123040), (6152, 104560), (6535, 98432), (7690, 83648), (10456, 61520), (12304, 52280), (13070, 49216), (15380, 41824), (20912, 30760), (24608, 26140)]