68801200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 181144656

約数和(自身を除く): 112343456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 101, 104, 130, 131, 200, 202, 208, 260, 262, 325, 400, 404, 505, 520, 524, 650, 655, 808, 1010, 1040, 1048, 1300, 1310, 1313, 1616, 1703, 2020, 2096, 2525, 2600, 2620, 2626, 3275, 3406, 4040, 5050, 5200, 5240, 5252, 6550, 6565, 6812, 8080, 8515, 10100, 10480, 10504, 13100, 13130, 13231, 13624, 17030, 20200, 21008, 26200, 26260, 26462, 27248, 32825, 34060, 40400, 42575, 52400, 52520, 52924, 65650, 66155, 68120, 85150, 105040, 105848, 131300, 132310, 136240, 170300, 172003, 211696, 262600, 264620, 330775, 340600, 344006, 525200, 529240, 661550, 681200, 688012, 860015, 1058480, 1323100, 1376024, 1720030, 2646200, 2752048, 3440060, 4300075, 5292400, 6880120, 8600150, 13760240, 17200300, 34400600, 68801200]

約数ペア:

[(1, 68801200), (2, 34400600), (4, 17200300), (5, 13760240), (8, 8600150), (10, 6880120), (13, 5292400), (16, 4300075), (20, 3440060), (25, 2752048), (26, 2646200), (40, 1720030), (50, 1376024), (52, 1323100), (65, 1058480), (80, 860015), (100, 688012), (101, 681200), (104, 661550), (130, 529240), (131, 525200), (200, 344006), (202, 340600), (208, 330775), (260, 264620), (262, 262600), (325, 211696), (400, 172003), (404, 170300), (505, 136240), (520, 132310), (524, 131300), (650, 105848), (655, 105040), (808, 85150), (1010, 68120), (1040, 66155), (1048, 65650), (1300, 52924), (1310, 52520), (1313, 52400), (1616, 42575), (1703, 40400), (2020, 34060), (2096, 32825), (2525, 27248), (2600, 26462), (2620, 26260), (2626, 26200), (3275, 21008), (3406, 20200), (4040, 17030), (5050, 13624), (5200, 13231), (5240, 13130), (5252, 13100), (6550, 10504), (6565, 10480), (6812, 10100), (8080, 8515)]