216937440

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:927

約数の個数: 240

約数和(自身を含む): 806818320

約数和(自身を除く): 589880880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 881, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1762, 1824, 2052, 2160, 2280, 2565, 2592, 2643, 2736, 3040, 3078, 3240, 3420, 3524, 4104, 4320, 4405, 4560, 5130, 5286, 5472, 6156, 6480, 6840, 7048, 7695, 7929, 8208, 8810, 9120, 10260, 10572, 12312, 12960, 13215, 13680, 14096, 15390, 15858, 16416, 16739, 17620, 20520, 21144, 23787, 24624, 26430, 27360, 28192, 30780, 31716, 33478, 35240, 39645, 41040, 42288, 47574, 49248, 50217, 52860, 61560, 63432, 66956, 70480, 71361, 79290, 82080, 83695, 84576, 95148, 100434, 105720, 118935, 123120, 126864, 133912, 140960, 142722, 150651, 158580, 167390, 190296, 200868, 211440, 237870, 246240, 251085, 253728, 267824, 285444, 301302, 317160, 334780, 356805, 380592, 401736, 422880, 451953, 475740, 502170, 535648, 570888, 602604, 634320, 669560, 713610, 753255, 761184, 803472, 903906, 951480, 1004340, 1141776, 1205208, 1268640, 1339120, 1355859, 1427220, 1506510, 1606944, 1807812, 1902960, 2008680, 2259765, 2283552, 2410416, 2678240, 2711718, 2854440, 3013020, 3615624, 3805920, 4017360, 4519530, 4820832, 5423436, 5708880, 6026040, 6779295, 7231248, 8034720, 9039060, 10846872, 11417760, 12052080, 13558590, 14462496, 18078120, 21693744, 24104160, 27117180, 36156240, 43387488, 54234360, 72312480, 108468720, 216937440]

約数ペア:

[(1, 216937440), (2, 108468720), (3, 72312480), (4, 54234360), (5, 43387488), (6, 36156240), (8, 27117180), (9, 24104160), (10, 21693744), (12, 18078120), (15, 14462496), (16, 13558590), (18, 12052080), (19, 11417760), (20, 10846872), (24, 9039060), (27, 8034720), (30, 7231248), (32, 6779295), (36, 6026040), (38, 5708880), (40, 5423436), (45, 4820832), (48, 4519530), (54, 4017360), (57, 3805920), (60, 3615624), (72, 3013020), (76, 2854440), (80, 2711718), (81, 2678240), (90, 2410416), (95, 2283552), (96, 2259765), (108, 2008680), (114, 1902960), (120, 1807812), (135, 1606944), (144, 1506510), (152, 1427220), (160, 1355859), (162, 1339120), (171, 1268640), (180, 1205208), (190, 1141776), (216, 1004340), (228, 951480), (240, 903906), (270, 803472), (285, 761184), (288, 753255), (304, 713610), (324, 669560), (342, 634320), (360, 602604), (380, 570888), (405, 535648), (432, 502170), (456, 475740), (480, 451953), (513, 422880), (540, 401736), (570, 380592), (608, 356805), (648, 334780), (684, 317160), (720, 301302), (760, 285444), (810, 267824), (855, 253728), (864, 251085), (881, 246240), (912, 237870), (1026, 211440), (1080, 200868), (1140, 190296), (1296, 167390), (1368, 158580), (1440, 150651), (1520, 142722), (1539, 140960), (1620, 133912), (1710, 126864), (1762, 123120), (1824, 118935), (2052, 105720), (2160, 100434), (2280, 95148), (2565, 84576), (2592, 83695), (2643, 82080), (2736, 79290), (3040, 71361), (3078, 70480), (3240, 66956), (3420, 63432), (3524, 61560), (4104, 52860), (4320, 50217), (4405, 49248), (4560, 47574), (5130, 42288), (5286, 41040), (5472, 39645), (6156, 35240), (6480, 33478), (6840, 31716), (7048, 30780), (7695, 28192), (7929, 27360), (8208, 26430), (8810, 24624), (9120, 23787), (10260, 21144), (10572, 20520), (12312, 17620), (12960, 16739), (13215, 16416), (13680, 15858), (14096, 15390)]