161874580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 403393536

約数和(自身を除く): 241518956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 73, 94, 140, 146, 188, 235, 292, 329, 337, 365, 470, 511, 658, 674, 730, 940, 1022, 1316, 1348, 1460, 1645, 1685, 2044, 2359, 2555, 3290, 3370, 3431, 4718, 5110, 6580, 6740, 6862, 9436, 10220, 11795, 13724, 15839, 17155, 23590, 24017, 24601, 31678, 34310, 47180, 48034, 49202, 63356, 68620, 79195, 96068, 98404, 110873, 120085, 123005, 158390, 172207, 221746, 240170, 246010, 316780, 344414, 443492, 480340, 492020, 554365, 688828, 861035, 1108730, 1156247, 1722070, 2217460, 2312494, 3444140, 4624988, 5781235, 8093729, 11562470, 16187458, 23124940, 32374916, 40468645, 80937290, 161874580]

約数ペア:

[(1, 161874580), (2, 80937290), (4, 40468645), (5, 32374916), (7, 23124940), (10, 16187458), (14, 11562470), (20, 8093729), (28, 5781235), (35, 4624988), (47, 3444140), (70, 2312494), (73, 2217460), (94, 1722070), (140, 1156247), (146, 1108730), (188, 861035), (235, 688828), (292, 554365), (329, 492020), (337, 480340), (365, 443492), (470, 344414), (511, 316780), (658, 246010), (674, 240170), (730, 221746), (940, 172207), (1022, 158390), (1316, 123005), (1348, 120085), (1460, 110873), (1645, 98404), (1685, 96068), (2044, 79195), (2359, 68620), (2555, 63356), (3290, 49202), (3370, 48034), (3431, 47180), (4718, 34310), (5110, 31678), (6580, 24601), (6740, 24017), (6862, 23590), (9436, 17155), (10220, 15839), (11795, 13724)]