130722280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 339292800

約数和(自身を除く): 208570520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 101, 104, 130, 131, 152, 190, 202, 247, 260, 262, 380, 404, 494, 505, 520, 524, 655, 760, 808, 988, 1010, 1048, 1235, 1310, 1313, 1703, 1919, 1976, 2020, 2470, 2489, 2620, 2626, 3406, 3838, 4040, 4940, 4978, 5240, 5252, 6565, 6812, 7676, 8515, 9595, 9880, 9956, 10504, 12445, 13130, 13231, 13624, 15352, 17030, 19190, 19912, 24890, 24947, 26260, 26462, 32357, 34060, 38380, 49780, 49894, 52520, 52924, 64714, 66155, 68120, 76760, 99560, 99788, 105848, 124735, 129428, 132310, 161785, 172003, 199576, 249470, 251389, 258856, 264620, 323570, 344006, 498940, 502778, 529240, 647140, 688012, 860015, 997880, 1005556, 1256945, 1294280, 1376024, 1720030, 2011112, 2513890, 3268057, 3440060, 5027780, 6536114, 6880120, 10055560, 13072228, 16340285, 26144456, 32680570, 65361140, 130722280]

約数ペア:

[(1, 130722280), (2, 65361140), (4, 32680570), (5, 26144456), (8, 16340285), (10, 13072228), (13, 10055560), (19, 6880120), (20, 6536114), (26, 5027780), (38, 3440060), (40, 3268057), (52, 2513890), (65, 2011112), (76, 1720030), (95, 1376024), (101, 1294280), (104, 1256945), (130, 1005556), (131, 997880), (152, 860015), (190, 688012), (202, 647140), (247, 529240), (260, 502778), (262, 498940), (380, 344006), (404, 323570), (494, 264620), (505, 258856), (520, 251389), (524, 249470), (655, 199576), (760, 172003), (808, 161785), (988, 132310), (1010, 129428), (1048, 124735), (1235, 105848), (1310, 99788), (1313, 99560), (1703, 76760), (1919, 68120), (1976, 66155), (2020, 64714), (2470, 52924), (2489, 52520), (2620, 49894), (2626, 49780), (3406, 38380), (3838, 34060), (4040, 32357), (4940, 26462), (4978, 26260), (5240, 24947), (5252, 24890), (6565, 19912), (6812, 19190), (7676, 17030), (8515, 15352), (9595, 13624), (9880, 13231), (9956, 13130), (10504, 12445)]