1556856840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{168491}}^1$

素因数の和:168523

約数の個数: 128

約数和(自身を含む): 5823083520

約数和(自身を除く): 4266226680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 168491, 336982, 505473, 673964, 842455, 1010946, 1179437, 1347928, 1684910, 1853401, 2021892, 2358874, 2527365, 3369820, 3538311, 3706802, 4043784, 4717748, 5054730, 5560203, 5897185, 6739640, 7076622, 7413604, 9267005, 9435496, 10109460, 11120406, 11794370, 12973807, 14153244, 14827208, 17691555, 18534010, 20218920, 22240812, 23588740, 25947614, 27801015, 28306488, 35383110, 37068020, 38921421, 44481624, 47177480, 51895228, 55602030, 64869035, 70766220, 74136040, 77842842, 103790456, 111204060, 129738070, 141532440, 155685684, 194607105, 222408120, 259476140, 311371368, 389214210, 518952280, 778428420, 1556856840]

約数ペア:

[(1, 1556856840), (2, 778428420), (3, 518952280), (4, 389214210), (5, 311371368), (6, 259476140), (7, 222408120), (8, 194607105), (10, 155685684), (11, 141532440), (12, 129738070), (14, 111204060), (15, 103790456), (20, 77842842), (21, 74136040), (22, 70766220), (24, 64869035), (28, 55602030), (30, 51895228), (33, 47177480), (35, 44481624), (40, 38921421), (42, 37068020), (44, 35383110), (55, 28306488), (56, 27801015), (60, 25947614), (66, 23588740), (70, 22240812), (77, 20218920), (84, 18534010), (88, 17691555), (105, 14827208), (110, 14153244), (120, 12973807), (132, 11794370), (140, 11120406), (154, 10109460), (165, 9435496), (168, 9267005), (210, 7413604), (220, 7076622), (231, 6739640), (264, 5897185), (280, 5560203), (308, 5054730), (330, 4717748), (385, 4043784), (420, 3706802), (440, 3538311), (462, 3369820), (616, 2527365), (660, 2358874), (770, 2021892), (840, 1853401), (924, 1684910), (1155, 1347928), (1320, 1179437), (1540, 1010946), (1848, 842455), (2310, 673964), (3080, 505473), (4620, 336982), (9240, 168491)]