1820429640

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:575

約数の個数: 224

約数和(自身を含む): 6194949120

約数和(自身を除く): 4374519480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 163, 180, 216, 243, 270, 324, 326, 360, 383, 405, 486, 489, 540, 648, 652, 729, 766, 810, 815, 972, 978, 1080, 1149, 1215, 1304, 1458, 1467, 1532, 1620, 1630, 1915, 1944, 1956, 2298, 2430, 2445, 2916, 2934, 3064, 3240, 3260, 3447, 3645, 3830, 3912, 4401, 4596, 4860, 4890, 5745, 5832, 5868, 6520, 6894, 7290, 7335, 7660, 8802, 9192, 9720, 9780, 10341, 11490, 11736, 13203, 13788, 14580, 14670, 15320, 17235, 17604, 19560, 20682, 22005, 22980, 26406, 27576, 29160, 29340, 31023, 34470, 35208, 39609, 41364, 44010, 45960, 51705, 52812, 58680, 62046, 62429, 66015, 68940, 79218, 82728, 88020, 93069, 103410, 105624, 118827, 124092, 124858, 132030, 137880, 155115, 158436, 176040, 186138, 187287, 198045, 206820, 237654, 248184, 249716, 264060, 279207, 310230, 312145, 316872, 372276, 374574, 396090, 413640, 465345, 475308, 499432, 528120, 558414, 561861, 594135, 620460, 624290, 744552, 749148, 792180, 930690, 936435, 950616, 1116828, 1123722, 1188270, 1240920, 1248580, 1396035, 1498296, 1584360, 1685583, 1861380, 1872870, 2233656, 2247444, 2376540, 2497160, 2792070, 2809305, 3371166, 3722760, 3745740, 4494888, 4753080, 5056749, 5584140, 5618610, 6742332, 7491480, 8427915, 10113498, 11168280, 11237220, 13484664, 15170247, 16855830, 20226996, 22474440, 25283745, 30340494, 33711660, 40453992, 45510741, 50567490, 60680988, 67423320, 75851235, 91021482, 101134980, 121361976, 151702470, 182042964, 202269960, 227553705, 303404940, 364085928, 455107410, 606809880, 910214820, 1820429640]

約数ペア:

[(1, 1820429640), (2, 910214820), (3, 606809880), (4, 455107410), (5, 364085928), (6, 303404940), (8, 227553705), (9, 202269960), (10, 182042964), (12, 151702470), (15, 121361976), (18, 101134980), (20, 91021482), (24, 75851235), (27, 67423320), (30, 60680988), (36, 50567490), (40, 45510741), (45, 40453992), (54, 33711660), (60, 30340494), (72, 25283745), (81, 22474440), (90, 20226996), (108, 16855830), (120, 15170247), (135, 13484664), (162, 11237220), (163, 11168280), (180, 10113498), (216, 8427915), (243, 7491480), (270, 6742332), (324, 5618610), (326, 5584140), (360, 5056749), (383, 4753080), (405, 4494888), (486, 3745740), (489, 3722760), (540, 3371166), (648, 2809305), (652, 2792070), (729, 2497160), (766, 2376540), (810, 2247444), (815, 2233656), (972, 1872870), (978, 1861380), (1080, 1685583), (1149, 1584360), (1215, 1498296), (1304, 1396035), (1458, 1248580), (1467, 1240920), (1532, 1188270), (1620, 1123722), (1630, 1116828), (1915, 950616), (1944, 936435), (1956, 930690), (2298, 792180), (2430, 749148), (2445, 744552), (2916, 624290), (2934, 620460), (3064, 594135), (3240, 561861), (3260, 558414), (3447, 528120), (3645, 499432), (3830, 475308), (3912, 465345), (4401, 413640), (4596, 396090), (4860, 374574), (4890, 372276), (5745, 316872), (5832, 312145), (5868, 310230), (6520, 279207), (6894, 264060), (7290, 249716), (7335, 248184), (7660, 237654), (8802, 206820), (9192, 198045), (9720, 187287), (9780, 186138), (10341, 176040), (11490, 158436), (11736, 155115), (13203, 137880), (13788, 132030), (14580, 124858), (14670, 124092), (15320, 118827), (17235, 105624), (17604, 103410), (19560, 93069), (20682, 88020), (22005, 82728), (22980, 79218), (26406, 68940), (27576, 66015), (29160, 62429), (29340, 62046), (31023, 58680), (34470, 52812), (35208, 51705), (39609, 45960), (41364, 44010)]