161792800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:411

約数の個数: 144

約数和(自身を含む): 435722112

約数和(自身を除く): 273929312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 47, 50, 52, 65, 80, 94, 100, 104, 130, 160, 188, 200, 208, 235, 260, 325, 331, 376, 400, 416, 470, 520, 611, 650, 662, 752, 800, 940, 1040, 1175, 1222, 1300, 1324, 1504, 1655, 1880, 2080, 2350, 2444, 2600, 2648, 3055, 3310, 3760, 4303, 4700, 4888, 5200, 5296, 6110, 6620, 7520, 8275, 8606, 9400, 9776, 10400, 10592, 12220, 13240, 15275, 15557, 16550, 17212, 18800, 19552, 21515, 24440, 26480, 30550, 31114, 33100, 34424, 37600, 43030, 48880, 52960, 61100, 62228, 66200, 68848, 77785, 86060, 97760, 107575, 122200, 124456, 132400, 137696, 155570, 172120, 202241, 215150, 244400, 248912, 264800, 311140, 344240, 388925, 404482, 430300, 488800, 497824, 622280, 688480, 777850, 808964, 860600, 1011205, 1244560, 1555700, 1617928, 1721200, 2022410, 2489120, 3111400, 3235856, 3442400, 4044820, 5056025, 6222800, 6471712, 8089640, 10112050, 12445600, 16179280, 20224100, 32358560, 40448200, 80896400, 161792800]

約数ペア:

[(1, 161792800), (2, 80896400), (4, 40448200), (5, 32358560), (8, 20224100), (10, 16179280), (13, 12445600), (16, 10112050), (20, 8089640), (25, 6471712), (26, 6222800), (32, 5056025), (40, 4044820), (47, 3442400), (50, 3235856), (52, 3111400), (65, 2489120), (80, 2022410), (94, 1721200), (100, 1617928), (104, 1555700), (130, 1244560), (160, 1011205), (188, 860600), (200, 808964), (208, 777850), (235, 688480), (260, 622280), (325, 497824), (331, 488800), (376, 430300), (400, 404482), (416, 388925), (470, 344240), (520, 311140), (611, 264800), (650, 248912), (662, 244400), (752, 215150), (800, 202241), (940, 172120), (1040, 155570), (1175, 137696), (1222, 132400), (1300, 124456), (1324, 122200), (1504, 107575), (1655, 97760), (1880, 86060), (2080, 77785), (2350, 68848), (2444, 66200), (2600, 62228), (2648, 61100), (3055, 52960), (3310, 48880), (3760, 43030), (4303, 37600), (4700, 34424), (4888, 33100), (5200, 31114), (5296, 30550), (6110, 26480), (6620, 24440), (7520, 21515), (8275, 19552), (8606, 18800), (9400, 17212), (9776, 16550), (10400, 15557), (10592, 15275), (12220, 13240)]