405940320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:478

約数の個数: 288

約数和(自身を含む): 1501325280

約数和(自身を除く): 1095384960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 37, 38, 40, 45, 48, 57, 60, 72, 74, 76, 80, 90, 95, 96, 111, 114, 120, 144, 148, 152, 160, 171, 180, 185, 190, 222, 228, 240, 285, 288, 296, 304, 333, 342, 360, 370, 380, 401, 444, 456, 480, 555, 570, 592, 608, 666, 684, 703, 720, 740, 760, 802, 855, 888, 912, 1110, 1140, 1184, 1203, 1332, 1368, 1406, 1440, 1480, 1520, 1604, 1665, 1710, 1776, 1824, 2005, 2109, 2220, 2280, 2406, 2664, 2736, 2812, 2960, 3040, 3208, 3330, 3420, 3515, 3552, 3609, 4010, 4218, 4440, 4560, 4812, 5328, 5472, 5624, 5920, 6015, 6327, 6416, 6660, 6840, 7030, 7218, 7619, 8020, 8436, 8880, 9120, 9624, 10545, 10656, 11248, 12030, 12654, 12832, 13320, 13680, 14060, 14436, 14837, 15238, 16040, 16872, 17760, 18045, 19248, 21090, 22496, 22857, 24060, 25308, 26640, 27360, 28120, 28872, 29674, 30476, 31635, 32080, 33744, 36090, 38095, 38496, 42180, 44511, 45714, 48120, 50616, 53280, 56240, 57744, 59348, 60952, 63270, 64160, 67488, 68571, 72180, 74185, 76190, 84360, 89022, 91428, 96240, 101232, 112480, 114285, 115488, 118696, 121904, 126540, 133533, 137142, 144360, 148370, 152380, 168720, 178044, 182856, 192480, 202464, 222555, 228570, 237392, 243808, 253080, 267066, 274284, 281903, 288720, 296740, 304760, 337440, 342855, 356088, 365712, 445110, 457140, 474784, 506160, 534132, 548568, 563806, 577440, 593480, 609520, 667665, 685710, 712176, 731424, 845709, 890220, 914280, 1012320, 1068264, 1097136, 1127612, 1186960, 1219040, 1335330, 1371420, 1409515, 1424352, 1691418, 1780440, 1828560, 2136528, 2194272, 2255224, 2373920, 2537127, 2670660, 2742840, 2819030, 3382836, 3560880, 3657120, 4228545, 4273056, 4510448, 5074254, 5341320, 5485680, 5638060, 6765672, 7121760, 8457090, 9020896, 10148508, 10682640, 10971360, 11276120, 12685635, 13531344, 16914180, 20297016, 21365280, 22552240, 25371270, 27062688, 33828360, 40594032, 45104480, 50742540, 67656720, 81188064, 101485080, 135313440, 202970160, 405940320]

約数ペア:

[(1, 405940320), (2, 202970160), (3, 135313440), (4, 101485080), (5, 81188064), (6, 67656720), (8, 50742540), (9, 45104480), (10, 40594032), (12, 33828360), (15, 27062688), (16, 25371270), (18, 22552240), (19, 21365280), (20, 20297016), (24, 16914180), (30, 13531344), (32, 12685635), (36, 11276120), (37, 10971360), (38, 10682640), (40, 10148508), (45, 9020896), (48, 8457090), (57, 7121760), (60, 6765672), (72, 5638060), (74, 5485680), (76, 5341320), (80, 5074254), (90, 4510448), (95, 4273056), (96, 4228545), (111, 3657120), (114, 3560880), (120, 3382836), (144, 2819030), (148, 2742840), (152, 2670660), (160, 2537127), (171, 2373920), (180, 2255224), (185, 2194272), (190, 2136528), (222, 1828560), (228, 1780440), (240, 1691418), (285, 1424352), (288, 1409515), (296, 1371420), (304, 1335330), (333, 1219040), (342, 1186960), (360, 1127612), (370, 1097136), (380, 1068264), (401, 1012320), (444, 914280), (456, 890220), (480, 845709), (555, 731424), (570, 712176), (592, 685710), (608, 667665), (666, 609520), (684, 593480), (703, 577440), (720, 563806), (740, 548568), (760, 534132), (802, 506160), (855, 474784), (888, 457140), (912, 445110), (1110, 365712), (1140, 356088), (1184, 342855), (1203, 337440), (1332, 304760), (1368, 296740), (1406, 288720), (1440, 281903), (1480, 274284), (1520, 267066), (1604, 253080), (1665, 243808), (1710, 237392), (1776, 228570), (1824, 222555), (2005, 202464), (2109, 192480), (2220, 182856), (2280, 178044), (2406, 168720), (2664, 152380), (2736, 148370), (2812, 144360), (2960, 137142), (3040, 133533), (3208, 126540), (3330, 121904), (3420, 118696), (3515, 115488), (3552, 114285), (3609, 112480), (4010, 101232), (4218, 96240), (4440, 91428), (4560, 89022), (4812, 84360), (5328, 76190), (5472, 74185), (5624, 72180), (5920, 68571), (6015, 67488), (6327, 64160), (6416, 63270), (6660, 60952), (6840, 59348), (7030, 57744), (7218, 56240), (7619, 53280), (8020, 50616), (8436, 48120), (8880, 45714), (9120, 44511), (9624, 42180), (10545, 38496), (10656, 38095), (11248, 36090), (12030, 33744), (12654, 32080), (12832, 31635), (13320, 30476), (13680, 29674), (14060, 28872), (14436, 28120), (14837, 27360), (15238, 26640), (16040, 25308), (16872, 24060), (17760, 22857), (18045, 22496), (19248, 21090)]