161043620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 371589120

約数和(自身を除く): 210545500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 71, 76, 94, 95, 127, 142, 188, 190, 235, 254, 284, 355, 380, 470, 508, 635, 710, 893, 940, 1270, 1349, 1420, 1786, 2413, 2540, 2698, 3337, 3572, 4465, 4826, 5396, 5969, 6674, 6745, 8930, 9017, 9652, 11938, 12065, 13348, 13490, 16685, 17860, 18034, 23876, 24130, 26980, 29845, 33370, 36068, 45085, 48260, 59690, 63403, 66740, 90170, 113411, 119380, 126806, 171323, 180340, 226822, 253612, 317015, 342646, 423799, 453644, 567055, 634030, 685292, 847598, 856615, 1134110, 1268060, 1695196, 1713230, 2118995, 2268220, 3426460, 4237990, 8052181, 8475980, 16104362, 32208724, 40260905, 80521810, 161043620]

約数ペア:

[(1, 161043620), (2, 80521810), (4, 40260905), (5, 32208724), (10, 16104362), (19, 8475980), (20, 8052181), (38, 4237990), (47, 3426460), (71, 2268220), (76, 2118995), (94, 1713230), (95, 1695196), (127, 1268060), (142, 1134110), (188, 856615), (190, 847598), (235, 685292), (254, 634030), (284, 567055), (355, 453644), (380, 423799), (470, 342646), (508, 317015), (635, 253612), (710, 226822), (893, 180340), (940, 171323), (1270, 126806), (1349, 119380), (1420, 113411), (1786, 90170), (2413, 66740), (2540, 63403), (2698, 59690), (3337, 48260), (3572, 45085), (4465, 36068), (4826, 33370), (5396, 29845), (5969, 26980), (6674, 24130), (6745, 23876), (8930, 18034), (9017, 17860), (9652, 16685), (11938, 13490), (12065, 13348)]