72931280

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3389}}^1$

素因数の和:3671

約数の個数: 40

約数和(自身を含む): 170245800

約数和(自身を除く): 97314520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 3389, 4304, 5380, 6778, 10760, 13556, 16945, 21520, 27112, 33890, 54224, 67780, 135560, 271120, 911641, 1823282, 3646564, 4558205, 7293128, 9116410, 14586256, 18232820, 36465640, 72931280]

約数ペア:

[(1, 72931280), (2, 36465640), (4, 18232820), (5, 14586256), (8, 9116410), (10, 7293128), (16, 4558205), (20, 3646564), (40, 1823282), (80, 911641), (269, 271120), (538, 135560), (1076, 67780), (1345, 54224), (2152, 33890), (2690, 27112), (3389, 21520), (4304, 16945), (5380, 13556), (6778, 10760)]