20217228360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:940

約数の個数: 256

約数和(自身を含む): 70076620800

約数和(自身を除く): 49859392440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 227, 229, 280, 420, 454, 458, 463, 681, 687, 840, 908, 916, 926, 1135, 1145, 1362, 1374, 1389, 1589, 1603, 1816, 1832, 1852, 2270, 2290, 2315, 2724, 2748, 2778, 3178, 3206, 3241, 3405, 3435, 3704, 4540, 4580, 4630, 4767, 4809, 5448, 5496, 5556, 6356, 6412, 6482, 6810, 6870, 6945, 7945, 8015, 9080, 9160, 9260, 9534, 9618, 9723, 11112, 12712, 12824, 12964, 13620, 13740, 13890, 15890, 16030, 16205, 18520, 19068, 19236, 19446, 23835, 24045, 25928, 27240, 27480, 27780, 31780, 32060, 32410, 38136, 38472, 38892, 47670, 48090, 48615, 51983, 55560, 63560, 64120, 64820, 77784, 95340, 96180, 97230, 103966, 105101, 106027, 129640, 155949, 190680, 192360, 194460, 207932, 210202, 212054, 259915, 311898, 315303, 318081, 363881, 388920, 415864, 420404, 424108, 519830, 525505, 530135, 623796, 630606, 636162, 727762, 735707, 742189, 779745, 840808, 848216, 1039660, 1051010, 1060270, 1091643, 1247592, 1261212, 1272324, 1455524, 1471414, 1484378, 1559490, 1576515, 1590405, 1819405, 2079320, 2102020, 2120540, 2183286, 2207121, 2226567, 2522424, 2544648, 2911048, 2942828, 2968756, 3118980, 3153030, 3180810, 3638810, 3678535, 3710945, 4204040, 4241080, 4366572, 4414242, 4453134, 5458215, 5885656, 5937512, 6237960, 6306060, 6361620, 7277620, 7357070, 7421890, 8733144, 8828484, 8906268, 10916430, 11035605, 11132835, 12612120, 12723240, 14555240, 14714140, 14843780, 17656968, 17812536, 21832860, 22071210, 22265670, 24068129, 29428280, 29687560, 43665720, 44142420, 44531340, 48136258, 72204387, 88284840, 89062680, 96272516, 120340645, 144408774, 168476903, 192545032, 240681290, 288817548, 336953806, 361021935, 481362580, 505430709, 577635096, 673907612, 722043870, 842384515, 962725160, 1010861418, 1347815224, 1444087740, 1684769030, 2021722836, 2527153545, 2888175480, 3369538060, 4043445672, 5054307090, 6739076120, 10108614180, 20217228360]

約数ペア:

[(1, 20217228360), (2, 10108614180), (3, 6739076120), (4, 5054307090), (5, 4043445672), (6, 3369538060), (7, 2888175480), (8, 2527153545), (10, 2021722836), (12, 1684769030), (14, 1444087740), (15, 1347815224), (20, 1010861418), (21, 962725160), (24, 842384515), (28, 722043870), (30, 673907612), (35, 577635096), (40, 505430709), (42, 481362580), (56, 361021935), (60, 336953806), (70, 288817548), (84, 240681290), (105, 192545032), (120, 168476903), (140, 144408774), (168, 120340645), (210, 96272516), (227, 89062680), (229, 88284840), (280, 72204387), (420, 48136258), (454, 44531340), (458, 44142420), (463, 43665720), (681, 29687560), (687, 29428280), (840, 24068129), (908, 22265670), (916, 22071210), (926, 21832860), (1135, 17812536), (1145, 17656968), (1362, 14843780), (1374, 14714140), (1389, 14555240), (1589, 12723240), (1603, 12612120), (1816, 11132835), (1832, 11035605), (1852, 10916430), (2270, 8906268), (2290, 8828484), (2315, 8733144), (2724, 7421890), (2748, 7357070), (2778, 7277620), (3178, 6361620), (3206, 6306060), (3241, 6237960), (3405, 5937512), (3435, 5885656), (3704, 5458215), (4540, 4453134), (4580, 4414242), (4630, 4366572), (4767, 4241080), (4809, 4204040), (5448, 3710945), (5496, 3678535), (5556, 3638810), (6356, 3180810), (6412, 3153030), (6482, 3118980), (6810, 2968756), (6870, 2942828), (6945, 2911048), (7945, 2544648), (8015, 2522424), (9080, 2226567), (9160, 2207121), (9260, 2183286), (9534, 2120540), (9618, 2102020), (9723, 2079320), (11112, 1819405), (12712, 1590405), (12824, 1576515), (12964, 1559490), (13620, 1484378), (13740, 1471414), (13890, 1455524), (15890, 1272324), (16030, 1261212), (16205, 1247592), (18520, 1091643), (19068, 1060270), (19236, 1051010), (19446, 1039660), (23835, 848216), (24045, 840808), (25928, 779745), (27240, 742189), (27480, 735707), (27780, 727762), (31780, 636162), (32060, 630606), (32410, 623796), (38136, 530135), (38472, 525505), (38892, 519830), (47670, 424108), (48090, 420404), (48615, 415864), (51983, 388920), (55560, 363881), (63560, 318081), (64120, 315303), (64820, 311898), (77784, 259915), (95340, 212054), (96180, 210202), (97230, 207932), (103966, 194460), (105101, 192360), (106027, 190680), (129640, 155949)]