787020415920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{547363}}^1$

素因数の和:549379

約数の個数: 120

約数和(自身を含む): 2644405251696

約数和(自身を除く): 1857384835776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1997, 3994, 5991, 7988, 9985, 11982, 15976, 17973, 19970, 23964, 29955, 31952, 35946, 39940, 47928, 59910, 71892, 79880, 89865, 95856, 119820, 143784, 159760, 179730, 239640, 287568, 359460, 479280, 547363, 718920, 1094726, 1437840, 1642089, 2189452, 2736815, 3284178, 4378904, 4926267, 5473630, 6568356, 8210445, 8757808, 9852534, 10947260, 13136712, 16420890, 19705068, 21894520, 24631335, 26273424, 32841780, 39410136, 43789040, 49262670, 65683560, 78820272, 98525340, 131367120, 197050680, 394101360, 1093083911, 2186167822, 3279251733, 4372335644, 5465419555, 6558503466, 8744671288, 9837755199, 10930839110, 13117006932, 16396258665, 17489342576, 19675510398, 21861678220, 26234013864, 32792517330, 39351020796, 43723356440, 49188775995, 52468027728, 65585034660, 78702041592, 87446712880, 98377551990, 131170069320, 157404083184, 196755103980, 262340138640, 393510207960, 787020415920]

約数ペア:

[(1, 787020415920), (2, 393510207960), (3, 262340138640), (4, 196755103980), (5, 157404083184), (6, 131170069320), (8, 98377551990), (9, 87446712880), (10, 78702041592), (12, 65585034660), (15, 52468027728), (16, 49188775995), (18, 43723356440), (20, 39351020796), (24, 32792517330), (30, 26234013864), (36, 21861678220), (40, 19675510398), (45, 17489342576), (48, 16396258665), (60, 13117006932), (72, 10930839110), (80, 9837755199), (90, 8744671288), (120, 6558503466), (144, 5465419555), (180, 4372335644), (240, 3279251733), (360, 2186167822), (720, 1093083911), (1997, 394101360), (3994, 197050680), (5991, 131367120), (7988, 98525340), (9985, 78820272), (11982, 65683560), (15976, 49262670), (17973, 43789040), (19970, 39410136), (23964, 32841780), (29955, 26273424), (31952, 24631335), (35946, 21894520), (39940, 19705068), (47928, 16420890), (59910, 13136712), (71892, 10947260), (79880, 9852534), (89865, 8757808), (95856, 8210445), (119820, 6568356), (143784, 5473630), (159760, 4926267), (179730, 4378904), (239640, 3284178), (287568, 2736815), (359460, 2189452), (479280, 1642089), (547363, 1437840), (718920, 1094726)]