68220450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 197308800

約数和(自身を除く): 129088350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 79, 90, 95, 101, 114, 150, 158, 171, 190, 202, 225, 237, 285, 303, 342, 395, 450, 474, 475, 505, 570, 606, 711, 790, 855, 909, 950, 1010, 1185, 1422, 1425, 1501, 1515, 1710, 1818, 1919, 1975, 2370, 2525, 2850, 3002, 3030, 3555, 3838, 3950, 4275, 4503, 4545, 5050, 5757, 5925, 7110, 7505, 7575, 7979, 8550, 9006, 9090, 9595, 11514, 11850, 13509, 15010, 15150, 15958, 17271, 17775, 19190, 22515, 22725, 23937, 27018, 28785, 34542, 35550, 37525, 39895, 45030, 45450, 47874, 47975, 57570, 67545, 71811, 75050, 79790, 86355, 95950, 112575, 119685, 135090, 143622, 143925, 151601, 172710, 199475, 225150, 239370, 287850, 303202, 337725, 359055, 398950, 431775, 454803, 598425, 675450, 718110, 758005, 863550, 909606, 1196850, 1364409, 1516010, 1795275, 2274015, 2728818, 3590550, 3790025, 4548030, 6822045, 7580050, 11370075, 13644090, 22740150, 34110225, 68220450]

約数ペア:

[(1, 68220450), (2, 34110225), (3, 22740150), (5, 13644090), (6, 11370075), (9, 7580050), (10, 6822045), (15, 4548030), (18, 3790025), (19, 3590550), (25, 2728818), (30, 2274015), (38, 1795275), (45, 1516010), (50, 1364409), (57, 1196850), (75, 909606), (79, 863550), (90, 758005), (95, 718110), (101, 675450), (114, 598425), (150, 454803), (158, 431775), (171, 398950), (190, 359055), (202, 337725), (225, 303202), (237, 287850), (285, 239370), (303, 225150), (342, 199475), (395, 172710), (450, 151601), (474, 143925), (475, 143622), (505, 135090), (570, 119685), (606, 112575), (711, 95950), (790, 86355), (855, 79790), (909, 75050), (950, 71811), (1010, 67545), (1185, 57570), (1422, 47975), (1425, 47874), (1501, 45450), (1515, 45030), (1710, 39895), (1818, 37525), (1919, 35550), (1975, 34542), (2370, 28785), (2525, 27018), (2850, 23937), (3002, 22725), (3030, 22515), (3555, 19190), (3838, 17775), (3950, 17271), (4275, 15958), (4503, 15150), (4545, 15010), (5050, 13509), (5757, 11850), (5925, 11514), (7110, 9595), (7505, 9090), (7575, 9006), (7979, 8550)]