31365560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 74580480

約数和(自身を除く): 43214920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 331, 412, 460, 515, 662, 824, 920, 1030, 1324, 1655, 2060, 2369, 2648, 3310, 4120, 4738, 6620, 7613, 9476, 11845, 13240, 15226, 18952, 23690, 30452, 34093, 38065, 47380, 60904, 68186, 76130, 94760, 136372, 152260, 170465, 272744, 304520, 340930, 681860, 784139, 1363720, 1568278, 3136556, 3920695, 6273112, 7841390, 15682780, 31365560]

約数ペア:

[(1, 31365560), (2, 15682780), (4, 7841390), (5, 6273112), (8, 3920695), (10, 3136556), (20, 1568278), (23, 1363720), (40, 784139), (46, 681860), (92, 340930), (103, 304520), (115, 272744), (184, 170465), (206, 152260), (230, 136372), (331, 94760), (412, 76130), (460, 68186), (515, 60904), (662, 47380), (824, 38065), (920, 34093), (1030, 30452), (1324, 23690), (1655, 18952), (2060, 15226), (2369, 13240), (2648, 11845), (3310, 9476), (4120, 7613), (4738, 6620)]