78847020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:454

約数の個数: 240

約数和(自身を含む): 300041280

約数和(自身を除く): 221194260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 324, 340, 357, 378, 405, 409, 420, 459, 476, 510, 540, 567, 595, 612, 630, 714, 756, 765, 810, 818, 918, 945, 1020, 1071, 1134, 1190, 1227, 1260, 1377, 1428, 1530, 1620, 1636, 1785, 1836, 1890, 2045, 2142, 2268, 2295, 2380, 2454, 2754, 2835, 2863, 3060, 3213, 3570, 3681, 3780, 4090, 4284, 4590, 4908, 5355, 5508, 5670, 5726, 6135, 6426, 6885, 6953, 7140, 7362, 8180, 8589, 9180, 9639, 10710, 11043, 11340, 11452, 12270, 12852, 13770, 13906, 14315, 14724, 16065, 17178, 18405, 19278, 20859, 21420, 22086, 24540, 25767, 27540, 27812, 28630, 32130, 33129, 34356, 34765, 36810, 38556, 41718, 42945, 44172, 48195, 48671, 51534, 55215, 57260, 62577, 64260, 66258, 69530, 73620, 77301, 83436, 85890, 96390, 97342, 103068, 104295, 110430, 125154, 128835, 132516, 139060, 146013, 154602, 165645, 171780, 187731, 192780, 194684, 208590, 220860, 231903, 243355, 250308, 257670, 292026, 309204, 312885, 331290, 375462, 386505, 417180, 438039, 463806, 486710, 515340, 563193, 584052, 625770, 662580, 730065, 750924, 773010, 876078, 927612, 938655, 973420, 1126386, 1159515, 1251540, 1314117, 1460130, 1546020, 1752156, 1877310, 2190195, 2252772, 2319030, 2628234, 2815965, 2920260, 3754620, 3942351, 4380390, 4638060, 5256468, 5631930, 6570585, 7884702, 8760780, 11263860, 13141170, 15769404, 19711755, 26282340, 39423510, 78847020]

約数ペア:

[(1, 78847020), (2, 39423510), (3, 26282340), (4, 19711755), (5, 15769404), (6, 13141170), (7, 11263860), (9, 8760780), (10, 7884702), (12, 6570585), (14, 5631930), (15, 5256468), (17, 4638060), (18, 4380390), (20, 3942351), (21, 3754620), (27, 2920260), (28, 2815965), (30, 2628234), (34, 2319030), (35, 2252772), (36, 2190195), (42, 1877310), (45, 1752156), (51, 1546020), (54, 1460130), (60, 1314117), (63, 1251540), (68, 1159515), (70, 1126386), (81, 973420), (84, 938655), (85, 927612), (90, 876078), (102, 773010), (105, 750924), (108, 730065), (119, 662580), (126, 625770), (135, 584052), (140, 563193), (153, 515340), (162, 486710), (170, 463806), (180, 438039), (189, 417180), (204, 386505), (210, 375462), (238, 331290), (252, 312885), (255, 309204), (270, 292026), (306, 257670), (315, 250308), (324, 243355), (340, 231903), (357, 220860), (378, 208590), (405, 194684), (409, 192780), (420, 187731), (459, 171780), (476, 165645), (510, 154602), (540, 146013), (567, 139060), (595, 132516), (612, 128835), (630, 125154), (714, 110430), (756, 104295), (765, 103068), (810, 97342), (818, 96390), (918, 85890), (945, 83436), (1020, 77301), (1071, 73620), (1134, 69530), (1190, 66258), (1227, 64260), (1260, 62577), (1377, 57260), (1428, 55215), (1530, 51534), (1620, 48671), (1636, 48195), (1785, 44172), (1836, 42945), (1890, 41718), (2045, 38556), (2142, 36810), (2268, 34765), (2295, 34356), (2380, 33129), (2454, 32130), (2754, 28630), (2835, 27812), (2863, 27540), (3060, 25767), (3213, 24540), (3570, 22086), (3681, 21420), (3780, 20859), (4090, 19278), (4284, 18405), (4590, 17178), (4908, 16065), (5355, 14724), (5508, 14315), (5670, 13906), (5726, 13770), (6135, 12852), (6426, 12270), (6885, 11452), (6953, 11340), (7140, 11043), (7362, 10710), (8180, 9639), (8589, 9180)]