30853640

素因数分解:

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

素因数の和:219

約数の個数: 64

約数和(自身を含む): 74228400

約数和(自身を除く): 43374760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 289, 314, 340, 578, 628, 680, 785, 1156, 1256, 1445, 1570, 2312, 2669, 2890, 3140, 4913, 5338, 5780, 6280, 9826, 10676, 11560, 13345, 19652, 21352, 24565, 26690, 39304, 45373, 49130, 53380, 90746, 98260, 106760, 181492, 196520, 226865, 362984, 453730, 771341, 907460, 1542682, 1814920, 3085364, 3856705, 6170728, 7713410, 15426820, 30853640]

約数ペア:

[(1, 30853640), (2, 15426820), (4, 7713410), (5, 6170728), (8, 3856705), (10, 3085364), (17, 1814920), (20, 1542682), (34, 907460), (40, 771341), (68, 453730), (85, 362984), (136, 226865), (157, 196520), (170, 181492), (289, 106760), (314, 98260), (340, 90746), (578, 53380), (628, 49130), (680, 45373), (785, 39304), (1156, 26690), (1256, 24565), (1445, 21352), (1570, 19652), (2312, 13345), (2669, 11560), (2890, 10676), (3140, 9826), (4913, 6280), (5338, 5780)]