161426280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:835

約数の個数: 128

約数和(自身を含む): 515548800

約数和(自身を除く): 354122520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 101, 114, 120, 152, 190, 202, 228, 285, 303, 380, 404, 456, 505, 570, 606, 701, 760, 808, 1010, 1140, 1212, 1402, 1515, 1919, 2020, 2103, 2280, 2424, 2804, 3030, 3505, 3838, 4040, 4206, 5608, 5757, 6060, 7010, 7676, 8412, 9595, 10515, 11514, 12120, 13319, 14020, 15352, 16824, 19190, 21030, 23028, 26638, 28040, 28785, 38380, 39957, 42060, 46056, 53276, 57570, 66595, 70801, 76760, 79914, 84120, 106552, 115140, 133190, 141602, 159828, 199785, 212403, 230280, 266380, 283204, 319656, 354005, 399570, 424806, 532760, 566408, 708010, 799140, 849612, 1062015, 1345219, 1416020, 1598280, 1699224, 2124030, 2690438, 2832040, 4035657, 4248060, 5380876, 6726095, 8071314, 8496120, 10761752, 13452190, 16142628, 20178285, 26904380, 32285256, 40356570, 53808760, 80713140, 161426280]

約数ペア:

[(1, 161426280), (2, 80713140), (3, 53808760), (4, 40356570), (5, 32285256), (6, 26904380), (8, 20178285), (10, 16142628), (12, 13452190), (15, 10761752), (19, 8496120), (20, 8071314), (24, 6726095), (30, 5380876), (38, 4248060), (40, 4035657), (57, 2832040), (60, 2690438), (76, 2124030), (95, 1699224), (101, 1598280), (114, 1416020), (120, 1345219), (152, 1062015), (190, 849612), (202, 799140), (228, 708010), (285, 566408), (303, 532760), (380, 424806), (404, 399570), (456, 354005), (505, 319656), (570, 283204), (606, 266380), (701, 230280), (760, 212403), (808, 199785), (1010, 159828), (1140, 141602), (1212, 133190), (1402, 115140), (1515, 106552), (1919, 84120), (2020, 79914), (2103, 76760), (2280, 70801), (2424, 66595), (2804, 57570), (3030, 53276), (3505, 46056), (3838, 42060), (4040, 39957), (4206, 38380), (5608, 28785), (5757, 28040), (6060, 26638), (7010, 23028), (7676, 21030), (8412, 19190), (9595, 16824), (10515, 15352), (11514, 14020), (12120, 13319)]