218726480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:437

約数の個数: 160

約数和(自身を含む): 623650560

約数和(自身を除く): 404924080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 80, 95, 112, 122, 133, 140, 152, 190, 244, 266, 280, 304, 305, 337, 380, 427, 488, 532, 560, 610, 665, 674, 760, 854, 976, 1064, 1159, 1220, 1330, 1348, 1520, 1685, 1708, 2128, 2135, 2318, 2359, 2440, 2660, 2696, 3370, 3416, 4270, 4636, 4718, 4880, 5320, 5392, 5795, 6403, 6740, 6832, 8113, 8540, 9272, 9436, 10640, 11590, 11795, 12806, 13480, 16226, 17080, 18544, 18872, 20557, 23180, 23590, 25612, 26960, 32015, 32452, 34160, 37744, 40565, 41114, 44821, 46360, 47180, 51224, 64030, 64904, 81130, 82228, 89642, 92720, 94360, 102448, 102785, 128060, 129808, 143899, 162260, 164456, 179284, 188720, 205570, 224105, 256120, 287798, 324520, 328912, 358568, 390583, 411140, 448210, 512240, 575596, 649040, 717136, 719495, 781166, 822280, 896420, 1151192, 1438990, 1562332, 1644560, 1792840, 1952915, 2302384, 2734081, 2877980, 3124664, 3585680, 3905830, 5468162, 5755960, 6249328, 7811660, 10936324, 11511920, 13670405, 15623320, 21872648, 27340810, 31246640, 43745296, 54681620, 109363240, 218726480]

約数ペア:

[(1, 218726480), (2, 109363240), (4, 54681620), (5, 43745296), (7, 31246640), (8, 27340810), (10, 21872648), (14, 15623320), (16, 13670405), (19, 11511920), (20, 10936324), (28, 7811660), (35, 6249328), (38, 5755960), (40, 5468162), (56, 3905830), (61, 3585680), (70, 3124664), (76, 2877980), (80, 2734081), (95, 2302384), (112, 1952915), (122, 1792840), (133, 1644560), (140, 1562332), (152, 1438990), (190, 1151192), (244, 896420), (266, 822280), (280, 781166), (304, 719495), (305, 717136), (337, 649040), (380, 575596), (427, 512240), (488, 448210), (532, 411140), (560, 390583), (610, 358568), (665, 328912), (674, 324520), (760, 287798), (854, 256120), (976, 224105), (1064, 205570), (1159, 188720), (1220, 179284), (1330, 164456), (1348, 162260), (1520, 143899), (1685, 129808), (1708, 128060), (2128, 102785), (2135, 102448), (2318, 94360), (2359, 92720), (2440, 89642), (2660, 82228), (2696, 81130), (3370, 64904), (3416, 64030), (4270, 51224), (4636, 47180), (4718, 46360), (4880, 44821), (5320, 41114), (5392, 40565), (5795, 37744), (6403, 34160), (6740, 32452), (6832, 32015), (8113, 26960), (8540, 25612), (9272, 23590), (9436, 23180), (10640, 20557), (11590, 18872), (11795, 18544), (12806, 17080), (13480, 16226)]