21121212480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{278497}}^1$

素因数の和:278596

約数の個数: 112

約数和(自身を含む): 67908952320

約数和(自身を除く): 46787739840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 158, 160, 192, 237, 240, 316, 320, 395, 474, 480, 632, 790, 948, 960, 1185, 1264, 1580, 1896, 2370, 2528, 3160, 3792, 4740, 5056, 6320, 7584, 9480, 12640, 15168, 18960, 25280, 37920, 75840, 278497, 556994, 835491, 1113988, 1392485, 1670982, 2227976, 2784970, 3341964, 4177455, 4455952, 5569940, 6683928, 8354910, 8911904, 11139880, 13367856, 16709820, 17823808, 22001263, 22279760, 26735712, 33419640, 44002526, 44559520, 53471424, 66003789, 66839280, 88005052, 89119040, 110006315, 132007578, 133678560, 176010104, 220012630, 264015156, 267357120, 330018945, 352020208, 440025260, 528030312, 660037890, 704040416, 880050520, 1056060624, 1320075780, 1408080832, 1760101040, 2112121248, 2640151560, 3520202080, 4224242496, 5280303120, 7040404160, 10560606240, 21121212480]

約数ペア:

[(1, 21121212480), (2, 10560606240), (3, 7040404160), (4, 5280303120), (5, 4224242496), (6, 3520202080), (8, 2640151560), (10, 2112121248), (12, 1760101040), (15, 1408080832), (16, 1320075780), (20, 1056060624), (24, 880050520), (30, 704040416), (32, 660037890), (40, 528030312), (48, 440025260), (60, 352020208), (64, 330018945), (79, 267357120), (80, 264015156), (96, 220012630), (120, 176010104), (158, 133678560), (160, 132007578), (192, 110006315), (237, 89119040), (240, 88005052), (316, 66839280), (320, 66003789), (395, 53471424), (474, 44559520), (480, 44002526), (632, 33419640), (790, 26735712), (948, 22279760), (960, 22001263), (1185, 17823808), (1264, 16709820), (1580, 13367856), (1896, 11139880), (2370, 8911904), (2528, 8354910), (3160, 6683928), (3792, 5569940), (4740, 4455952), (5056, 4177455), (6320, 3341964), (7584, 2784970), (9480, 2227976), (12640, 1670982), (15168, 1392485), (18960, 1113988), (25280, 835491), (37920, 556994), (75840, 278497)]