311214960

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{2287}}^1$

素因数の和:2322

約数の個数: 240

約数和(自身を含む): 1239254016

約数和(自身を除く): 928039056

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, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1512, 1620, 1680, 1701, 1890, 1944, 2160, 2268, 2287, 2430, 2520, 2835, 3024, 3240, 3402, 3780, 3888, 4536, 4574, 4860, 5040, 5670, 6480, 6804, 6861, 7560, 8505, 9072, 9148, 9720, 11340, 11435, 13608, 13722, 15120, 16009, 17010, 18296, 19440, 20583, 22680, 22870, 27216, 27444, 32018, 34020, 34305, 36592, 41166, 45360, 45740, 48027, 54888, 61749, 64036, 68040, 68610, 80045, 82332, 91480, 96054, 102915, 109776, 123498, 128072, 136080, 137220, 144081, 160090, 164664, 182960, 185247, 192108, 205830, 240135, 246996, 256144, 274440, 288162, 308745, 320180, 329328, 370494, 384216, 411660, 432243, 480270, 493992, 548880, 555741, 576324, 617490, 640360, 720405, 740988, 768432, 823320, 864486, 926235, 960540, 987984, 1111482, 1152648, 1234980, 1280720, 1296729, 1440810, 1481976, 1646640, 1728972, 1852470, 1921080, 2161215, 2222964, 2305296, 2469960, 2593458, 2778705, 2881620, 2963952, 3457944, 3704940, 3842160, 3890187, 4322430, 4445928, 4939920, 5186916, 5557410, 5763240, 6483645, 6915888, 7409880, 7780374, 8644860, 8891856, 10373832, 11114820, 11526480, 12967290, 14819760, 15560748, 17289720, 19450935, 20747664, 22229640, 25934580, 31121496, 34579440, 38901870, 44459280, 51869160, 62242992, 77803740, 103738320, 155607480, 311214960]

約数ペア:

[(1, 311214960), (2, 155607480), (3, 103738320), (4, 77803740), (5, 62242992), (6, 51869160), (7, 44459280), (8, 38901870), (9, 34579440), (10, 31121496), (12, 25934580), (14, 22229640), (15, 20747664), (16, 19450935), (18, 17289720), (20, 15560748), (21, 14819760), (24, 12967290), (27, 11526480), (28, 11114820), (30, 10373832), (35, 8891856), (36, 8644860), (40, 7780374), (42, 7409880), (45, 6915888), (48, 6483645), (54, 5763240), (56, 5557410), (60, 5186916), (63, 4939920), (70, 4445928), (72, 4322430), (80, 3890187), (81, 3842160), (84, 3704940), (90, 3457944), (105, 2963952), (108, 2881620), (112, 2778705), (120, 2593458), (126, 2469960), (135, 2305296), (140, 2222964), (144, 2161215), (162, 1921080), (168, 1852470), (180, 1728972), (189, 1646640), (210, 1481976), (216, 1440810), (240, 1296729), (243, 1280720), (252, 1234980), (270, 1152648), (280, 1111482), (315, 987984), (324, 960540), (336, 926235), (360, 864486), (378, 823320), (405, 768432), (420, 740988), (432, 720405), (486, 640360), (504, 617490), (540, 576324), (560, 555741), (567, 548880), (630, 493992), (648, 480270), (720, 432243), (756, 411660), (810, 384216), (840, 370494), (945, 329328), (972, 320180), (1008, 308745), (1080, 288162), (1134, 274440), (1215, 256144), (1260, 246996), (1296, 240135), (1512, 205830), (1620, 192108), (1680, 185247), (1701, 182960), (1890, 164664), (1944, 160090), (2160, 144081), (2268, 137220), (2287, 136080), (2430, 128072), (2520, 123498), (2835, 109776), (3024, 102915), (3240, 96054), (3402, 91480), (3780, 82332), (3888, 80045), (4536, 68610), (4574, 68040), (4860, 64036), (5040, 61749), (5670, 54888), (6480, 48027), (6804, 45740), (6861, 45360), (7560, 41166), (8505, 36592), (9072, 34305), (9148, 34020), (9720, 32018), (11340, 27444), (11435, 27216), (13608, 22870), (13722, 22680), (15120, 20583), (16009, 19440), (17010, 18296)]