81115440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{911}}^1$

素因数の和:987

約数の個数: 160

約数和(自身を含む): 293124096

約数和(自身を除く): 212008656

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 105, 106, 112, 120, 140, 159, 168, 210, 212, 240, 265, 280, 318, 336, 371, 420, 424, 530, 560, 636, 742, 795, 840, 848, 911, 1060, 1113, 1272, 1484, 1590, 1680, 1822, 1855, 2120, 2226, 2544, 2733, 2968, 3180, 3644, 3710, 4240, 4452, 4555, 5466, 5565, 5936, 6360, 6377, 7288, 7420, 8904, 9110, 10932, 11130, 12720, 12754, 13665, 14576, 14840, 17808, 18220, 19131, 21864, 22260, 25508, 27330, 29680, 31885, 36440, 38262, 43728, 44520, 48283, 51016, 54660, 63770, 72880, 76524, 89040, 95655, 96566, 102032, 109320, 127540, 144849, 153048, 191310, 193132, 218640, 241415, 255080, 289698, 306096, 337981, 382620, 386264, 482830, 510160, 579396, 675962, 724245, 765240, 772528, 965660, 1013943, 1158792, 1351924, 1448490, 1530480, 1689905, 1931320, 2027886, 2317584, 2703848, 2896980, 3379810, 3862640, 4055772, 5069715, 5407696, 5793960, 6759620, 8111544, 10139430, 11587920, 13519240, 16223088, 20278860, 27038480, 40557720, 81115440]

約数ペア:

[(1, 81115440), (2, 40557720), (3, 27038480), (4, 20278860), (5, 16223088), (6, 13519240), (7, 11587920), (8, 10139430), (10, 8111544), (12, 6759620), (14, 5793960), (15, 5407696), (16, 5069715), (20, 4055772), (21, 3862640), (24, 3379810), (28, 2896980), (30, 2703848), (35, 2317584), (40, 2027886), (42, 1931320), (48, 1689905), (53, 1530480), (56, 1448490), (60, 1351924), (70, 1158792), (80, 1013943), (84, 965660), (105, 772528), (106, 765240), (112, 724245), (120, 675962), (140, 579396), (159, 510160), (168, 482830), (210, 386264), (212, 382620), (240, 337981), (265, 306096), (280, 289698), (318, 255080), (336, 241415), (371, 218640), (420, 193132), (424, 191310), (530, 153048), (560, 144849), (636, 127540), (742, 109320), (795, 102032), (840, 96566), (848, 95655), (911, 89040), (1060, 76524), (1113, 72880), (1272, 63770), (1484, 54660), (1590, 51016), (1680, 48283), (1822, 44520), (1855, 43728), (2120, 38262), (2226, 36440), (2544, 31885), (2733, 29680), (2968, 27330), (3180, 25508), (3644, 22260), (3710, 21864), (4240, 19131), (4452, 18220), (4555, 17808), (5466, 14840), (5565, 14576), (5936, 13665), (6360, 12754), (6377, 12720), (7288, 11130), (7420, 10932), (8904, 9110)]