78741180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 192

約数和(自身を含む): 288046080

約数和(自身を除く): 209304900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 54, 60, 63, 70, 74, 84, 90, 105, 108, 111, 126, 135, 140, 148, 180, 185, 189, 210, 222, 252, 259, 270, 315, 333, 370, 378, 420, 444, 518, 540, 555, 563, 630, 666, 740, 756, 777, 945, 999, 1036, 1110, 1126, 1260, 1295, 1332, 1554, 1665, 1689, 1890, 1998, 2220, 2252, 2331, 2590, 2815, 3108, 3330, 3378, 3780, 3885, 3941, 3996, 4662, 4995, 5067, 5180, 5630, 6660, 6756, 6993, 7770, 7882, 8445, 9324, 9990, 10134, 11260, 11655, 11823, 13986, 15201, 15540, 15764, 16890, 19705, 19980, 20268, 20831, 23310, 23646, 25335, 27972, 30402, 33780, 34965, 35469, 39410, 41662, 46620, 47292, 50670, 59115, 60804, 62493, 69930, 70938, 76005, 78820, 83324, 101340, 104155, 106407, 118230, 124986, 139860, 141876, 145817, 152010, 177345, 187479, 208310, 212814, 236460, 249972, 291634, 304020, 312465, 354690, 374958, 416620, 425628, 437451, 532035, 562437, 583268, 624930, 709380, 729085, 749916, 874902, 937395, 1064070, 1124874, 1249860, 1312353, 1458170, 1749804, 1874790, 2128140, 2187255, 2249748, 2624706, 2812185, 2916340, 3749580, 3937059, 4374510, 5249412, 5624370, 6561765, 7874118, 8749020, 11248740, 13123530, 15748236, 19685295, 26247060, 39370590, 78741180]

約数ペア:

[(1, 78741180), (2, 39370590), (3, 26247060), (4, 19685295), (5, 15748236), (6, 13123530), (7, 11248740), (9, 8749020), (10, 7874118), (12, 6561765), (14, 5624370), (15, 5249412), (18, 4374510), (20, 3937059), (21, 3749580), (27, 2916340), (28, 2812185), (30, 2624706), (35, 2249748), (36, 2187255), (37, 2128140), (42, 1874790), (45, 1749804), (54, 1458170), (60, 1312353), (63, 1249860), (70, 1124874), (74, 1064070), (84, 937395), (90, 874902), (105, 749916), (108, 729085), (111, 709380), (126, 624930), (135, 583268), (140, 562437), (148, 532035), (180, 437451), (185, 425628), (189, 416620), (210, 374958), (222, 354690), (252, 312465), (259, 304020), (270, 291634), (315, 249972), (333, 236460), (370, 212814), (378, 208310), (420, 187479), (444, 177345), (518, 152010), (540, 145817), (555, 141876), (563, 139860), (630, 124986), (666, 118230), (740, 106407), (756, 104155), (777, 101340), (945, 83324), (999, 78820), (1036, 76005), (1110, 70938), (1126, 69930), (1260, 62493), (1295, 60804), (1332, 59115), (1554, 50670), (1665, 47292), (1689, 46620), (1890, 41662), (1998, 39410), (2220, 35469), (2252, 34965), (2331, 33780), (2590, 30402), (2815, 27972), (3108, 25335), (3330, 23646), (3378, 23310), (3780, 20831), (3885, 20268), (3941, 19980), (3996, 19705), (4662, 16890), (4995, 15764), (5067, 15540), (5180, 15201), (5630, 13986), (6660, 11823), (6756, 11655), (6993, 11260), (7770, 10134), (7882, 9990), (8445, 9324)]