20157712680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{1697}}^1$

素因数の和:1976

約数の個数: 256

約数和(自身を含む): 70419456000

約数和(自身を除く): 50261743320

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, 79, 84, 105, 120, 140, 158, 168, 179, 210, 237, 280, 316, 358, 395, 420, 474, 537, 553, 632, 716, 790, 840, 895, 948, 1074, 1106, 1185, 1253, 1432, 1580, 1659, 1697, 1790, 1896, 2148, 2212, 2370, 2506, 2685, 2765, 3160, 3318, 3394, 3580, 3759, 4296, 4424, 4740, 5012, 5091, 5370, 5530, 6265, 6636, 6788, 7160, 7518, 8295, 8485, 9480, 10024, 10182, 10740, 11060, 11879, 12530, 13272, 13576, 14141, 15036, 16590, 16970, 18795, 20364, 21480, 22120, 23758, 25060, 25455, 28282, 30072, 33180, 33940, 35637, 37590, 40728, 42423, 47516, 50120, 50910, 56564, 59395, 66360, 67880, 70705, 71274, 75180, 84846, 95032, 98987, 101820, 113128, 118790, 134063, 141410, 142548, 150360, 169692, 178185, 197974, 203640, 212115, 237580, 268126, 282820, 285096, 296961, 303763, 339384, 356370, 395948, 402189, 424230, 475160, 494935, 536252, 565640, 593922, 607526, 670315, 712740, 791896, 804378, 848460, 911289, 938441, 989870, 1072504, 1187844, 1215052, 1340630, 1425480, 1484805, 1518815, 1608756, 1696920, 1822578, 1876882, 1979740, 2010945, 2126341, 2375688, 2430104, 2681260, 2815323, 2969610, 3037630, 3217512, 3645156, 3753764, 3959480, 4021890, 4252682, 4556445, 4692205, 5362520, 5630646, 5939220, 6075260, 6379023, 7290312, 7507528, 8043780, 8505364, 9112890, 9384410, 10631705, 11261292, 11878440, 12150520, 12758046, 14076615, 16087560, 17010728, 18225780, 18768820, 21263410, 22522584, 23997277, 25516092, 28153230, 31895115, 36451560, 37537640, 42526820, 47994554, 51032184, 56306460, 63790230, 71991831, 85053640, 95989108, 112612920, 119986385, 127580460, 143983662, 167980939, 191978216, 239972770, 255160920, 287967324, 335961878, 359959155, 479945540, 503942817, 575934648, 671923756, 719918310, 839904695, 959891080, 1007885634, 1343847512, 1439836620, 1679809390, 2015771268, 2519714085, 2879673240, 3359618780, 4031542536, 5039428170, 6719237560, 10078856340, 20157712680]

約数ペア:

[(1, 20157712680), (2, 10078856340), (3, 6719237560), (4, 5039428170), (5, 4031542536), (6, 3359618780), (7, 2879673240), (8, 2519714085), (10, 2015771268), (12, 1679809390), (14, 1439836620), (15, 1343847512), (20, 1007885634), (21, 959891080), (24, 839904695), (28, 719918310), (30, 671923756), (35, 575934648), (40, 503942817), (42, 479945540), (56, 359959155), (60, 335961878), (70, 287967324), (79, 255160920), (84, 239972770), (105, 191978216), (120, 167980939), (140, 143983662), (158, 127580460), (168, 119986385), (179, 112612920), (210, 95989108), (237, 85053640), (280, 71991831), (316, 63790230), (358, 56306460), (395, 51032184), (420, 47994554), (474, 42526820), (537, 37537640), (553, 36451560), (632, 31895115), (716, 28153230), (790, 25516092), (840, 23997277), (895, 22522584), (948, 21263410), (1074, 18768820), (1106, 18225780), (1185, 17010728), (1253, 16087560), (1432, 14076615), (1580, 12758046), (1659, 12150520), (1697, 11878440), (1790, 11261292), (1896, 10631705), (2148, 9384410), (2212, 9112890), (2370, 8505364), (2506, 8043780), (2685, 7507528), (2765, 7290312), (3160, 6379023), (3318, 6075260), (3394, 5939220), (3580, 5630646), (3759, 5362520), (4296, 4692205), (4424, 4556445), (4740, 4252682), (5012, 4021890), (5091, 3959480), (5370, 3753764), (5530, 3645156), (6265, 3217512), (6636, 3037630), (6788, 2969610), (7160, 2815323), (7518, 2681260), (8295, 2430104), (8485, 2375688), (9480, 2126341), (10024, 2010945), (10182, 1979740), (10740, 1876882), (11060, 1822578), (11879, 1696920), (12530, 1608756), (13272, 1518815), (13576, 1484805), (14141, 1425480), (15036, 1340630), (16590, 1215052), (16970, 1187844), (18795, 1072504), (20364, 989870), (21480, 938441), (22120, 911289), (23758, 848460), (25060, 804378), (25455, 791896), (28282, 712740), (30072, 670315), (33180, 607526), (33940, 593922), (35637, 565640), (37590, 536252), (40728, 494935), (42423, 475160), (47516, 424230), (50120, 402189), (50910, 395948), (56564, 356370), (59395, 339384), (66360, 303763), (67880, 296961), (70705, 285096), (71274, 282820), (75180, 268126), (84846, 237580), (95032, 212115), (98987, 203640), (101820, 197974), (113128, 178185), (118790, 169692), (134063, 150360), (141410, 142548)]