213951780

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 288

約数和(自身を含む): 812098560

約数和(自身を除く): 598146780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 243, 252, 266, 270, 285, 315, 324, 331, 342, 378, 380, 399, 405, 420, 486, 513, 532, 540, 567, 570, 630, 662, 665, 684, 756, 798, 810, 855, 945, 972, 993, 1026, 1134, 1140, 1197, 1215, 1260, 1324, 1330, 1539, 1596, 1620, 1655, 1701, 1710, 1890, 1986, 1995, 2052, 2268, 2317, 2394, 2430, 2565, 2660, 2835, 2979, 3078, 3310, 3402, 3420, 3591, 3780, 3972, 3990, 4617, 4634, 4788, 4860, 4965, 5130, 5670, 5958, 5985, 6156, 6289, 6620, 6804, 6951, 7182, 7695, 7980, 8505, 8937, 9234, 9268, 9930, 10260, 10773, 11340, 11585, 11916, 11970, 12578, 13902, 14364, 14895, 15390, 17010, 17874, 17955, 18468, 18867, 19860, 20853, 21546, 23085, 23170, 23940, 25156, 26811, 27804, 29790, 30780, 31445, 32319, 34020, 34755, 35748, 35910, 37734, 41706, 43092, 44023, 44685, 46170, 46340, 53622, 53865, 56601, 59580, 62559, 62890, 64638, 69510, 71820, 75468, 80433, 83412, 88046, 89370, 92340, 94335, 104265, 107244, 107730, 113202, 125118, 125780, 129276, 132069, 134055, 139020, 160866, 161595, 169803, 176092, 178740, 187677, 188670, 208530, 215460, 220115, 226404, 250236, 264138, 268110, 283005, 312795, 321732, 323190, 339606, 375354, 377340, 396207, 402165, 417060, 440230, 509409, 528276, 536220, 563031, 566010, 625590, 646380, 660345, 679212, 750708, 792414, 804330, 849015, 880460, 938385, 1018818, 1126062, 1132020, 1188621, 1251180, 1320690, 1528227, 1584828, 1608660, 1698030, 1876770, 1981035, 2037636, 2252124, 2377242, 2547045, 2641380, 2815155, 3056454, 3396060, 3565863, 3753540, 3962070, 4754484, 5094090, 5630310, 5943105, 6112908, 7131726, 7641135, 7924140, 10188180, 10697589, 11260620, 11886210, 14263452, 15282270, 17829315, 21395178, 23772420, 30564540, 35658630, 42790356, 53487945, 71317260, 106975890, 213951780]

約数ペア:

[(1, 213951780), (2, 106975890), (3, 71317260), (4, 53487945), (5, 42790356), (6, 35658630), (7, 30564540), (9, 23772420), (10, 21395178), (12, 17829315), (14, 15282270), (15, 14263452), (18, 11886210), (19, 11260620), (20, 10697589), (21, 10188180), (27, 7924140), (28, 7641135), (30, 7131726), (35, 6112908), (36, 5943105), (38, 5630310), (42, 5094090), (45, 4754484), (54, 3962070), (57, 3753540), (60, 3565863), (63, 3396060), (70, 3056454), (76, 2815155), (81, 2641380), (84, 2547045), (90, 2377242), (95, 2252124), (105, 2037636), (108, 1981035), (114, 1876770), (126, 1698030), (133, 1608660), (135, 1584828), (140, 1528227), (162, 1320690), (171, 1251180), (180, 1188621), (189, 1132020), (190, 1126062), (210, 1018818), (228, 938385), (243, 880460), (252, 849015), (266, 804330), (270, 792414), (285, 750708), (315, 679212), (324, 660345), (331, 646380), (342, 625590), (378, 566010), (380, 563031), (399, 536220), (405, 528276), (420, 509409), (486, 440230), (513, 417060), (532, 402165), (540, 396207), (567, 377340), (570, 375354), (630, 339606), (662, 323190), (665, 321732), (684, 312795), (756, 283005), (798, 268110), (810, 264138), (855, 250236), (945, 226404), (972, 220115), (993, 215460), (1026, 208530), (1134, 188670), (1140, 187677), (1197, 178740), (1215, 176092), (1260, 169803), (1324, 161595), (1330, 160866), (1539, 139020), (1596, 134055), (1620, 132069), (1655, 129276), (1701, 125780), (1710, 125118), (1890, 113202), (1986, 107730), (1995, 107244), (2052, 104265), (2268, 94335), (2317, 92340), (2394, 89370), (2430, 88046), (2565, 83412), (2660, 80433), (2835, 75468), (2979, 71820), (3078, 69510), (3310, 64638), (3402, 62890), (3420, 62559), (3591, 59580), (3780, 56601), (3972, 53865), (3990, 53622), (4617, 46340), (4634, 46170), (4788, 44685), (4860, 44023), (4965, 43092), (5130, 41706), (5670, 37734), (5958, 35910), (5985, 35748), (6156, 34755), (6289, 34020), (6620, 32319), (6804, 31445), (6951, 30780), (7182, 29790), (7695, 27804), (7980, 26811), (8505, 25156), (8937, 23940), (9234, 23170), (9268, 23085), (9930, 21546), (10260, 20853), (10773, 19860), (11340, 18867), (11585, 18468), (11916, 17955), (11970, 17874), (12578, 17010), (13902, 15390), (14364, 14895)]