1728306720

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{19051}}^1$

素因数の和:19085

約数の個数: 240

約数和(自身を含む): 6971203008

約数和(自身を除く): 5242896288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 19051, 22680, 30240, 38102, 45360, 57153, 76204, 90720, 95255, 114306, 133357, 152408, 171459, 190510, 228612, 266714, 285765, 304816, 342918, 381020, 400071, 457224, 514377, 533428, 571530, 609632, 666785, 685836, 762040, 800142, 857295, 914448, 1028754, 1066856, 1143060, 1200213, 1333570, 1371672, 1524080, 1543131, 1600284, 1714590, 1828896, 2000355, 2057508, 2133712, 2286120, 2400426, 2571885, 2667140, 2743344, 3048160, 3086262, 3200568, 3429180, 3600639, 4000710, 4115016, 4267424, 4572240, 4800852, 5143770, 5334280, 5486688, 6001065, 6172524, 6401136, 6858360, 7201278, 7715655, 8001420, 8230032, 9144480, 9601704, 10287540, 10668560, 10801917, 12002130, 12345048, 12802272, 13716720, 14402556, 15431310, 16002840, 16460064, 18003195, 19203408, 20575080, 21337120, 21603834, 24004260, 24690096, 27433440, 28805112, 30862620, 32005680, 36006390, 38406816, 41150160, 43207668, 48008520, 49380192, 54009585, 57610224, 61725240, 64011360, 72012780, 82300320, 86415336, 96017040, 108019170, 115220448, 123450480, 144025560, 172830672, 192034080, 216038340, 246900960, 288051120, 345661344, 432076680, 576102240, 864153360, 1728306720]

約数ペア:

[(1, 1728306720), (2, 864153360), (3, 576102240), (4, 432076680), (5, 345661344), (6, 288051120), (7, 246900960), (8, 216038340), (9, 192034080), (10, 172830672), (12, 144025560), (14, 123450480), (15, 115220448), (16, 108019170), (18, 96017040), (20, 86415336), (21, 82300320), (24, 72012780), (27, 64011360), (28, 61725240), (30, 57610224), (32, 54009585), (35, 49380192), (36, 48008520), (40, 43207668), (42, 41150160), (45, 38406816), (48, 36006390), (54, 32005680), (56, 30862620), (60, 28805112), (63, 27433440), (70, 24690096), (72, 24004260), (80, 21603834), (81, 21337120), (84, 20575080), (90, 19203408), (96, 18003195), (105, 16460064), (108, 16002840), (112, 15431310), (120, 14402556), (126, 13716720), (135, 12802272), (140, 12345048), (144, 12002130), (160, 10801917), (162, 10668560), (168, 10287540), (180, 9601704), (189, 9144480), (210, 8230032), (216, 8001420), (224, 7715655), (240, 7201278), (252, 6858360), (270, 6401136), (280, 6172524), (288, 6001065), (315, 5486688), (324, 5334280), (336, 5143770), (360, 4800852), (378, 4572240), (405, 4267424), (420, 4115016), (432, 4000710), (480, 3600639), (504, 3429180), (540, 3200568), (560, 3086262), (567, 3048160), (630, 2743344), (648, 2667140), (672, 2571885), (720, 2400426), (756, 2286120), (810, 2133712), (840, 2057508), (864, 2000355), (945, 1828896), (1008, 1714590), (1080, 1600284), (1120, 1543131), (1134, 1524080), (1260, 1371672), (1296, 1333570), (1440, 1200213), (1512, 1143060), (1620, 1066856), (1680, 1028754), (1890, 914448), (2016, 857295), (2160, 800142), (2268, 762040), (2520, 685836), (2592, 666785), (2835, 609632), (3024, 571530), (3240, 533428), (3360, 514377), (3780, 457224), (4320, 400071), (4536, 381020), (5040, 342918), (5670, 304816), (6048, 285765), (6480, 266714), (7560, 228612), (9072, 190510), (10080, 171459), (11340, 152408), (12960, 133357), (15120, 114306), (18144, 95255), (19051, 90720), (22680, 76204), (30240, 57153), (38102, 45360)]