29805880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 76325760

約数和(自身を除く): 46519880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 104, 124, 130, 155, 172, 215, 248, 260, 310, 344, 403, 430, 520, 559, 620, 806, 860, 1118, 1240, 1333, 1612, 1720, 1849, 2015, 2236, 2666, 2795, 3224, 3698, 4030, 4472, 5332, 5590, 6665, 7396, 8060, 9245, 10664, 11180, 13330, 14792, 16120, 17329, 18490, 22360, 24037, 26660, 34658, 36980, 48074, 53320, 57319, 69316, 73960, 86645, 96148, 114638, 120185, 138632, 173290, 192296, 229276, 240370, 286595, 346580, 458552, 480740, 573190, 693160, 745147, 961480, 1146380, 1490294, 2292760, 2980588, 3725735, 5961176, 7451470, 14902940, 29805880]

約数ペア:

[(1, 29805880), (2, 14902940), (4, 7451470), (5, 5961176), (8, 3725735), (10, 2980588), (13, 2292760), (20, 1490294), (26, 1146380), (31, 961480), (40, 745147), (43, 693160), (52, 573190), (62, 480740), (65, 458552), (86, 346580), (104, 286595), (124, 240370), (130, 229276), (155, 192296), (172, 173290), (215, 138632), (248, 120185), (260, 114638), (310, 96148), (344, 86645), (403, 73960), (430, 69316), (520, 57319), (559, 53320), (620, 48074), (806, 36980), (860, 34658), (1118, 26660), (1240, 24037), (1333, 22360), (1612, 18490), (1720, 17329), (1849, 16120), (2015, 14792), (2236, 13330), (2666, 11180), (2795, 10664), (3224, 9245), (3698, 8060), (4030, 7396), (4472, 6665), (5332, 5590)]