217448280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^3\times {\mathrm{587}}^1$

素因数の和:628

約数の個数: 256

約数和(自身を含む): 846720000

約数和(自身を除く): 629271720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 343, 360, 378, 392, 420, 441, 490, 504, 540, 587, 588, 630, 686, 735, 756, 840, 882, 945, 980, 1029, 1080, 1174, 1176, 1260, 1323, 1372, 1470, 1512, 1715, 1761, 1764, 1890, 1960, 2058, 2205, 2348, 2520, 2646, 2744, 2935, 2940, 3087, 3430, 3522, 3528, 3780, 4109, 4116, 4410, 4696, 5145, 5283, 5292, 5870, 5880, 6174, 6615, 6860, 7044, 7560, 8218, 8232, 8805, 8820, 9261, 10290, 10566, 10584, 11740, 12327, 12348, 13230, 13720, 14088, 15435, 15849, 16436, 17610, 17640, 18522, 20545, 20580, 21132, 23480, 24654, 24696, 26415, 26460, 28763, 30870, 31698, 32872, 35220, 36981, 37044, 41090, 41160, 42264, 46305, 49308, 52830, 52920, 57526, 61635, 61740, 63396, 70440, 73962, 74088, 79245, 82180, 86289, 92610, 98616, 105660, 110943, 115052, 123270, 123480, 126792, 143815, 147924, 158490, 164360, 172578, 184905, 185220, 201341, 211320, 221886, 230104, 246540, 258867, 287630, 295848, 316980, 345156, 369810, 370440, 402682, 431445, 443772, 493080, 517734, 554715, 575260, 604023, 633960, 690312, 739620, 776601, 805364, 862890, 887544, 1006705, 1035468, 1109430, 1150520, 1208046, 1294335, 1479240, 1553202, 1610728, 1725780, 1812069, 2013410, 2070936, 2218860, 2416092, 2588670, 3020115, 3106404, 3451560, 3624138, 3883005, 4026820, 4437720, 4832184, 5177340, 5436207, 6040230, 6212808, 7248276, 7766010, 8053640, 9060345, 10354680, 10872414, 12080460, 14496552, 15532020, 18120690, 21744828, 24160920, 27181035, 31064040, 36241380, 43489656, 54362070, 72482760, 108724140, 217448280]

約数ペア:

[(1, 217448280), (2, 108724140), (3, 72482760), (4, 54362070), (5, 43489656), (6, 36241380), (7, 31064040), (8, 27181035), (9, 24160920), (10, 21744828), (12, 18120690), (14, 15532020), (15, 14496552), (18, 12080460), (20, 10872414), (21, 10354680), (24, 9060345), (27, 8053640), (28, 7766010), (30, 7248276), (35, 6212808), (36, 6040230), (40, 5436207), (42, 5177340), (45, 4832184), (49, 4437720), (54, 4026820), (56, 3883005), (60, 3624138), (63, 3451560), (70, 3106404), (72, 3020115), (84, 2588670), (90, 2416092), (98, 2218860), (105, 2070936), (108, 2013410), (120, 1812069), (126, 1725780), (135, 1610728), (140, 1553202), (147, 1479240), (168, 1294335), (180, 1208046), (189, 1150520), (196, 1109430), (210, 1035468), (216, 1006705), (245, 887544), (252, 862890), (270, 805364), (280, 776601), (294, 739620), (315, 690312), (343, 633960), (360, 604023), (378, 575260), (392, 554715), (420, 517734), (441, 493080), (490, 443772), (504, 431445), (540, 402682), (587, 370440), (588, 369810), (630, 345156), (686, 316980), (735, 295848), (756, 287630), (840, 258867), (882, 246540), (945, 230104), (980, 221886), (1029, 211320), (1080, 201341), (1174, 185220), (1176, 184905), (1260, 172578), (1323, 164360), (1372, 158490), (1470, 147924), (1512, 143815), (1715, 126792), (1761, 123480), (1764, 123270), (1890, 115052), (1960, 110943), (2058, 105660), (2205, 98616), (2348, 92610), (2520, 86289), (2646, 82180), (2744, 79245), (2935, 74088), (2940, 73962), (3087, 70440), (3430, 63396), (3522, 61740), (3528, 61635), (3780, 57526), (4109, 52920), (4116, 52830), (4410, 49308), (4696, 46305), (5145, 42264), (5283, 41160), (5292, 41090), (5870, 37044), (5880, 36981), (6174, 35220), (6615, 32872), (6860, 31698), (7044, 30870), (7560, 28763), (8218, 26460), (8232, 26415), (8805, 24696), (8820, 24654), (9261, 23480), (10290, 21132), (10566, 20580), (10584, 20545), (11740, 18522), (12327, 17640), (12348, 17610), (13230, 16436), (13720, 15849), (14088, 15435)]