15426820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 34639920

約数和(自身を除く): 19213100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 289, 314, 340, 578, 628, 785, 1156, 1445, 1570, 2669, 2890, 3140, 4913, 5338, 5780, 9826, 10676, 13345, 19652, 24565, 26690, 45373, 49130, 53380, 90746, 98260, 181492, 226865, 453730, 771341, 907460, 1542682, 3085364, 3856705, 7713410, 15426820]

約数ペア:

[(1, 15426820), (2, 7713410), (4, 3856705), (5, 3085364), (10, 1542682), (17, 907460), (20, 771341), (34, 453730), (68, 226865), (85, 181492), (157, 98260), (170, 90746), (289, 53380), (314, 49130), (340, 45373), (578, 26690), (628, 24565), (785, 19652), (1156, 13345), (1445, 10676), (1570, 9826), (2669, 5780), (2890, 5338), (3140, 4913)]