1249279080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20947}}^1$

素因数の和:21039

約数の個数: 128

約数和(自身を含む): 4343777280

約数和(自身を除く): 3094498200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7455, 8520, 9940, 11928, 14910, 19880, 20947, 29820, 41894, 59640, 62841, 83788, 104735, 125682, 146629, 167576, 209470, 251364, 293258, 314205, 418940, 439887, 502728, 586516, 628410, 733145, 837880, 879774, 1173032, 1256820, 1466290, 1487237, 1759548, 2199435, 2513640, 2932580, 2974474, 3519096, 4398870, 4461711, 5865160, 5948948, 7436185, 8797740, 8923422, 10410659, 11897896, 14872370, 17595480, 17846844, 20821318, 22308555, 29744740, 31231977, 35693688, 41642636, 44617110, 52053295, 59489480, 62463954, 83285272, 89234220, 104106590, 124927908, 156159885, 178468440, 208213180, 249855816, 312319770, 416426360, 624639540, 1249279080]

約数ペア:

[(1, 1249279080), (2, 624639540), (3, 416426360), (4, 312319770), (5, 249855816), (6, 208213180), (7, 178468440), (8, 156159885), (10, 124927908), (12, 104106590), (14, 89234220), (15, 83285272), (20, 62463954), (21, 59489480), (24, 52053295), (28, 44617110), (30, 41642636), (35, 35693688), (40, 31231977), (42, 29744740), (56, 22308555), (60, 20821318), (70, 17846844), (71, 17595480), (84, 14872370), (105, 11897896), (120, 10410659), (140, 8923422), (142, 8797740), (168, 7436185), (210, 5948948), (213, 5865160), (280, 4461711), (284, 4398870), (355, 3519096), (420, 2974474), (426, 2932580), (497, 2513640), (568, 2199435), (710, 1759548), (840, 1487237), (852, 1466290), (994, 1256820), (1065, 1173032), (1420, 879774), (1491, 837880), (1704, 733145), (1988, 628410), (2130, 586516), (2485, 502728), (2840, 439887), (2982, 418940), (3976, 314205), (4260, 293258), (4970, 251364), (5964, 209470), (7455, 167576), (8520, 146629), (9940, 125682), (11928, 104735), (14910, 83788), (19880, 62841), (20947, 59640), (29820, 41894)]