321200640

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{1549}}^1$

素因数の和:1584

約数の個数: 200

約数和(自身を含む): 1151181900

約数和(自身を除く): 829981260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1536, 1549, 1620, 1728, 1920, 2160, 2304, 2560, 2592, 2880, 3098, 3240, 3456, 3840, 4320, 4608, 4647, 5184, 5760, 6196, 6480, 6912, 7680, 7745, 8640, 9294, 10368, 11520, 12392, 12960, 13824, 13941, 15490, 17280, 18588, 20736, 23040, 23235, 24784, 25920, 27882, 30980, 34560, 37176, 41472, 41823, 46470, 49568, 51840, 55764, 61960, 69120, 69705, 74352, 83646, 92940, 99136, 103680, 111528, 123920, 125469, 139410, 148704, 167292, 185880, 198272, 207360, 209115, 223056, 247840, 250938, 278820, 297408, 334584, 371760, 396544, 418230, 446112, 495680, 501876, 557640, 594816, 627345, 669168, 743520, 793088, 836460, 892224, 991360, 1003752, 1115280, 1189632, 1254690, 1338336, 1487040, 1672920, 1784448, 1982720, 2007504, 2230560, 2379264, 2509380, 2676672, 2974080, 3345840, 3568896, 3965440, 4015008, 4461120, 5018760, 5353344, 5948160, 6691680, 7137792, 8030016, 8922240, 10037520, 10706688, 11896320, 13383360, 16060032, 17844480, 20075040, 21413376, 26766720, 32120064, 35688960, 40150080, 53533440, 64240128, 80300160, 107066880, 160600320, 321200640]

約数ペア:

[(1, 321200640), (2, 160600320), (3, 107066880), (4, 80300160), (5, 64240128), (6, 53533440), (8, 40150080), (9, 35688960), (10, 32120064), (12, 26766720), (15, 21413376), (16, 20075040), (18, 17844480), (20, 16060032), (24, 13383360), (27, 11896320), (30, 10706688), (32, 10037520), (36, 8922240), (40, 8030016), (45, 7137792), (48, 6691680), (54, 5948160), (60, 5353344), (64, 5018760), (72, 4461120), (80, 4015008), (81, 3965440), (90, 3568896), (96, 3345840), (108, 2974080), (120, 2676672), (128, 2509380), (135, 2379264), (144, 2230560), (160, 2007504), (162, 1982720), (180, 1784448), (192, 1672920), (216, 1487040), (240, 1338336), (256, 1254690), (270, 1189632), (288, 1115280), (320, 1003752), (324, 991360), (360, 892224), (384, 836460), (405, 793088), (432, 743520), (480, 669168), (512, 627345), (540, 594816), (576, 557640), (640, 501876), (648, 495680), (720, 446112), (768, 418230), (810, 396544), (864, 371760), (960, 334584), (1080, 297408), (1152, 278820), (1280, 250938), (1296, 247840), (1440, 223056), (1536, 209115), (1549, 207360), (1620, 198272), (1728, 185880), (1920, 167292), (2160, 148704), (2304, 139410), (2560, 125469), (2592, 123920), (2880, 111528), (3098, 103680), (3240, 99136), (3456, 92940), (3840, 83646), (4320, 74352), (4608, 69705), (4647, 69120), (5184, 61960), (5760, 55764), (6196, 51840), (6480, 49568), (6912, 46470), (7680, 41823), (7745, 41472), (8640, 37176), (9294, 34560), (10368, 30980), (11520, 27882), (12392, 25920), (12960, 24784), (13824, 23235), (13941, 23040), (15490, 20736), (17280, 18588)]