389797920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1629

約数の個数: 240

約数和(自身を含む): 1448979840

約数和(自身を除く): 1059181920

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, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1583, 1620, 1710, 1824, 2052, 2160, 2280, 2565, 2592, 2736, 3040, 3078, 3166, 3240, 3420, 4104, 4320, 4560, 4749, 5130, 5472, 6156, 6332, 6480, 6840, 7695, 7915, 8208, 9120, 9498, 10260, 12312, 12664, 12960, 13680, 14247, 15390, 15830, 16416, 18996, 20520, 23745, 24624, 25328, 27360, 28494, 30077, 30780, 31660, 37992, 41040, 42741, 47490, 49248, 50656, 56988, 60154, 61560, 63320, 71235, 75984, 82080, 85482, 90231, 94980, 113976, 120308, 123120, 126640, 128223, 142470, 150385, 151968, 170964, 180462, 189960, 213705, 227952, 240616, 246240, 253280, 256446, 270693, 284940, 300770, 341928, 360924, 379920, 427410, 451155, 455904, 481232, 512892, 541386, 569880, 601540, 641115, 683856, 721848, 759840, 812079, 854820, 902310, 962464, 1025784, 1082772, 1139760, 1203080, 1282230, 1353465, 1367712, 1443696, 1624158, 1709640, 1804620, 2051568, 2165544, 2279520, 2406160, 2436237, 2564460, 2706930, 2887392, 3248316, 3419280, 3609240, 4060395, 4103136, 4331088, 4812320, 4872474, 5128920, 5413860, 6496632, 6838560, 7218480, 8120790, 8662176, 9744948, 10257840, 10827720, 12181185, 12993264, 14436960, 16241580, 19489896, 20515680, 21655440, 24362370, 25986528, 32483160, 38979792, 43310880, 48724740, 64966320, 77959584, 97449480, 129932640, 194898960, 389797920]

約数ペア:

[(1, 389797920), (2, 194898960), (3, 129932640), (4, 97449480), (5, 77959584), (6, 64966320), (8, 48724740), (9, 43310880), (10, 38979792), (12, 32483160), (15, 25986528), (16, 24362370), (18, 21655440), (19, 20515680), (20, 19489896), (24, 16241580), (27, 14436960), (30, 12993264), (32, 12181185), (36, 10827720), (38, 10257840), (40, 9744948), (45, 8662176), (48, 8120790), (54, 7218480), (57, 6838560), (60, 6496632), (72, 5413860), (76, 5128920), (80, 4872474), (81, 4812320), (90, 4331088), (95, 4103136), (96, 4060395), (108, 3609240), (114, 3419280), (120, 3248316), (135, 2887392), (144, 2706930), (152, 2564460), (160, 2436237), (162, 2406160), (171, 2279520), (180, 2165544), (190, 2051568), (216, 1804620), (228, 1709640), (240, 1624158), (270, 1443696), (285, 1367712), (288, 1353465), (304, 1282230), (324, 1203080), (342, 1139760), (360, 1082772), (380, 1025784), (405, 962464), (432, 902310), (456, 854820), (480, 812079), (513, 759840), (540, 721848), (570, 683856), (608, 641115), (648, 601540), (684, 569880), (720, 541386), (760, 512892), (810, 481232), (855, 455904), (864, 451155), (912, 427410), (1026, 379920), (1080, 360924), (1140, 341928), (1296, 300770), (1368, 284940), (1440, 270693), (1520, 256446), (1539, 253280), (1583, 246240), (1620, 240616), (1710, 227952), (1824, 213705), (2052, 189960), (2160, 180462), (2280, 170964), (2565, 151968), (2592, 150385), (2736, 142470), (3040, 128223), (3078, 126640), (3166, 123120), (3240, 120308), (3420, 113976), (4104, 94980), (4320, 90231), (4560, 85482), (4749, 82080), (5130, 75984), (5472, 71235), (6156, 63320), (6332, 61560), (6480, 60154), (6840, 56988), (7695, 50656), (7915, 49248), (8208, 47490), (9120, 42741), (9498, 41040), (10260, 37992), (12312, 31660), (12664, 30780), (12960, 30077), (13680, 28494), (14247, 27360), (15390, 25328), (15830, 24624), (16416, 23745), (18996, 20520)]