420895440

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{1031}}^1$

素因数の和:1069

約数の個数: 280

約数和(自身を含む): 1678428288

約数和(自身を除く): 1257532848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 729, 756, 810, 840, 945, 972, 1008, 1031, 1080, 1134, 1215, 1260, 1296, 1458, 1512, 1620, 1680, 1701, 1890, 1944, 2062, 2160, 2268, 2430, 2520, 2835, 2916, 3024, 3093, 3240, 3402, 3645, 3780, 3888, 4124, 4536, 4860, 5040, 5103, 5155, 5670, 5832, 6186, 6480, 6804, 7217, 7290, 7560, 8248, 8505, 9072, 9279, 9720, 10206, 10310, 11340, 11664, 12372, 13608, 14434, 14580, 15120, 15465, 16496, 17010, 18558, 19440, 20412, 20620, 21651, 22680, 24744, 25515, 27216, 27837, 28868, 29160, 30930, 34020, 36085, 37116, 40824, 41240, 43302, 45360, 46395, 49488, 51030, 55674, 57736, 58320, 61860, 64953, 68040, 72170, 74232, 81648, 82480, 83511, 86604, 92790, 102060, 108255, 111348, 115472, 123720, 129906, 136080, 139185, 144340, 148464, 167022, 173208, 185580, 194859, 204120, 216510, 222696, 247440, 250533, 259812, 278370, 288680, 324765, 334044, 346416, 371160, 389718, 408240, 417555, 433020, 445392, 501066, 519624, 556740, 577360, 584577, 649530, 668088, 742320, 751599, 779436, 835110, 866040, 974295, 1002132, 1039248, 1113480, 1169154, 1252665, 1299060, 1336176, 1503198, 1558872, 1670220, 1732080, 1753731, 1948590, 2004264, 2226960, 2338308, 2505330, 2598120, 2922885, 3006396, 3117744, 3340440, 3507462, 3757995, 3897180, 4008528, 4676616, 5010660, 5196240, 5261193, 5845770, 6012792, 6680880, 7014924, 7515990, 7794360, 8768655, 9353232, 10021320, 10522386, 11691540, 12025584, 14029848, 15031980, 15588720, 17537310, 20042640, 21044772, 23383080, 26305965, 28059696, 30063960, 35074620, 42089544, 46766160, 52611930, 60127920, 70149240, 84179088, 105223860, 140298480, 210447720, 420895440]

約数ペア:

[(1, 420895440), (2, 210447720), (3, 140298480), (4, 105223860), (5, 84179088), (6, 70149240), (7, 60127920), (8, 52611930), (9, 46766160), (10, 42089544), (12, 35074620), (14, 30063960), (15, 28059696), (16, 26305965), (18, 23383080), (20, 21044772), (21, 20042640), (24, 17537310), (27, 15588720), (28, 15031980), (30, 14029848), (35, 12025584), (36, 11691540), (40, 10522386), (42, 10021320), (45, 9353232), (48, 8768655), (54, 7794360), (56, 7515990), (60, 7014924), (63, 6680880), (70, 6012792), (72, 5845770), (80, 5261193), (81, 5196240), (84, 5010660), (90, 4676616), (105, 4008528), (108, 3897180), (112, 3757995), (120, 3507462), (126, 3340440), (135, 3117744), (140, 3006396), (144, 2922885), (162, 2598120), (168, 2505330), (180, 2338308), (189, 2226960), (210, 2004264), (216, 1948590), (240, 1753731), (243, 1732080), (252, 1670220), (270, 1558872), (280, 1503198), (315, 1336176), (324, 1299060), (336, 1252665), (360, 1169154), (378, 1113480), (405, 1039248), (420, 1002132), (432, 974295), (486, 866040), (504, 835110), (540, 779436), (560, 751599), (567, 742320), (630, 668088), (648, 649530), (720, 584577), (729, 577360), (756, 556740), (810, 519624), (840, 501066), (945, 445392), (972, 433020), (1008, 417555), (1031, 408240), (1080, 389718), (1134, 371160), (1215, 346416), (1260, 334044), (1296, 324765), (1458, 288680), (1512, 278370), (1620, 259812), (1680, 250533), (1701, 247440), (1890, 222696), (1944, 216510), (2062, 204120), (2160, 194859), (2268, 185580), (2430, 173208), (2520, 167022), (2835, 148464), (2916, 144340), (3024, 139185), (3093, 136080), (3240, 129906), (3402, 123720), (3645, 115472), (3780, 111348), (3888, 108255), (4124, 102060), (4536, 92790), (4860, 86604), (5040, 83511), (5103, 82480), (5155, 81648), (5670, 74232), (5832, 72170), (6186, 68040), (6480, 64953), (6804, 61860), (7217, 58320), (7290, 57736), (7560, 55674), (8248, 51030), (8505, 49488), (9072, 46395), (9279, 45360), (9720, 43302), (10206, 41240), (10310, 40824), (11340, 37116), (11664, 36085), (12372, 34020), (13608, 30930), (14434, 29160), (14580, 28868), (15120, 27837), (15465, 27216), (16496, 25515), (17010, 24744), (18558, 22680), (19440, 21651), (20412, 20620)]