287141220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1075

約数の個数: 192

約数和(自身を含む): 977356800

約数和(自身を除く): 690215580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 124, 135, 153, 155, 170, 180, 186, 204, 255, 270, 279, 306, 310, 340, 372, 459, 465, 510, 527, 540, 558, 612, 620, 765, 837, 918, 930, 1009, 1020, 1054, 1116, 1395, 1530, 1581, 1674, 1836, 1860, 2018, 2108, 2295, 2635, 2790, 3027, 3060, 3162, 3348, 4036, 4185, 4590, 4743, 5045, 5270, 5580, 6054, 6324, 7905, 8370, 9081, 9180, 9486, 10090, 10540, 12108, 14229, 15135, 15810, 16740, 17153, 18162, 18972, 20180, 23715, 27243, 28458, 30270, 31279, 31620, 34306, 36324, 45405, 47430, 51459, 54486, 56916, 60540, 62558, 68612, 71145, 85765, 90810, 93837, 94860, 102918, 108972, 125116, 136215, 142290, 154377, 156395, 171530, 181620, 187674, 205836, 257295, 272430, 281511, 284580, 308754, 312790, 343060, 375348, 463131, 469185, 514590, 531743, 544860, 563022, 617508, 625580, 771885, 844533, 926262, 938370, 1029180, 1063486, 1126044, 1407555, 1543770, 1595229, 1689066, 1852524, 1876740, 2126972, 2315655, 2658715, 2815110, 3087540, 3190458, 3378132, 4222665, 4631310, 4785687, 5317430, 5630220, 6380916, 7976145, 8445330, 9262620, 9571374, 10634860, 14357061, 15952290, 16890660, 19142748, 23928435, 28714122, 31904580, 47856870, 57428244, 71785305, 95713740, 143570610, 287141220]

約数ペア:

[(1, 287141220), (2, 143570610), (3, 95713740), (4, 71785305), (5, 57428244), (6, 47856870), (9, 31904580), (10, 28714122), (12, 23928435), (15, 19142748), (17, 16890660), (18, 15952290), (20, 14357061), (27, 10634860), (30, 9571374), (31, 9262620), (34, 8445330), (36, 7976145), (45, 6380916), (51, 5630220), (54, 5317430), (60, 4785687), (62, 4631310), (68, 4222665), (85, 3378132), (90, 3190458), (93, 3087540), (102, 2815110), (108, 2658715), (124, 2315655), (135, 2126972), (153, 1876740), (155, 1852524), (170, 1689066), (180, 1595229), (186, 1543770), (204, 1407555), (255, 1126044), (270, 1063486), (279, 1029180), (306, 938370), (310, 926262), (340, 844533), (372, 771885), (459, 625580), (465, 617508), (510, 563022), (527, 544860), (540, 531743), (558, 514590), (612, 469185), (620, 463131), (765, 375348), (837, 343060), (918, 312790), (930, 308754), (1009, 284580), (1020, 281511), (1054, 272430), (1116, 257295), (1395, 205836), (1530, 187674), (1581, 181620), (1674, 171530), (1836, 156395), (1860, 154377), (2018, 142290), (2108, 136215), (2295, 125116), (2635, 108972), (2790, 102918), (3027, 94860), (3060, 93837), (3162, 90810), (3348, 85765), (4036, 71145), (4185, 68612), (4590, 62558), (4743, 60540), (5045, 56916), (5270, 54486), (5580, 51459), (6054, 47430), (6324, 45405), (7905, 36324), (8370, 34306), (9081, 31620), (9180, 31279), (9486, 30270), (10090, 28458), (10540, 27243), (12108, 23715), (14229, 20180), (15135, 18972), (15810, 18162), (16740, 17153)]