918031520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:383

約数の個数: 192

約数和(自身を含む): 2590672896

約数和(自身を除く): 1672641376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 137, 140, 155, 160, 193, 217, 224, 248, 274, 280, 310, 386, 434, 496, 548, 560, 620, 685, 772, 868, 959, 965, 992, 1085, 1096, 1120, 1240, 1351, 1370, 1544, 1736, 1918, 1930, 2170, 2192, 2480, 2702, 2740, 3088, 3472, 3836, 3860, 4247, 4340, 4384, 4795, 4960, 5404, 5480, 5983, 6176, 6755, 6944, 7672, 7720, 8494, 8680, 9590, 10808, 10960, 11966, 13510, 15344, 15440, 16988, 17360, 19180, 21235, 21616, 21920, 23932, 26441, 27020, 29729, 29915, 30688, 30880, 33976, 34720, 38360, 41881, 42470, 43232, 47864, 52882, 54040, 59458, 59830, 67952, 76720, 83762, 84940, 95728, 105764, 108080, 118916, 119660, 132205, 135904, 148645, 153440, 167524, 169880, 185087, 191456, 209405, 211528, 216160, 237832, 239320, 264410, 297290, 335048, 339760, 370174, 418810, 423056, 475664, 478640, 528820, 594580, 670096, 679520, 740348, 819671, 837620, 846112, 925435, 951328, 957280, 1057640, 1189160, 1340192, 1480696, 1639342, 1675240, 1850870, 2115280, 2378320, 2961392, 3278684, 3350480, 3701740, 4098355, 4230560, 4756640, 5737697, 5922784, 6557368, 6700960, 7403480, 8196710, 11475394, 13114736, 14806960, 16393420, 22950788, 26229472, 28688485, 29613920, 32786840, 45901576, 57376970, 65573680, 91803152, 114753940, 131147360, 183606304, 229507880, 459015760, 918031520]

約数ペア:

[(1, 918031520), (2, 459015760), (4, 229507880), (5, 183606304), (7, 131147360), (8, 114753940), (10, 91803152), (14, 65573680), (16, 57376970), (20, 45901576), (28, 32786840), (31, 29613920), (32, 28688485), (35, 26229472), (40, 22950788), (56, 16393420), (62, 14806960), (70, 13114736), (80, 11475394), (112, 8196710), (124, 7403480), (137, 6700960), (140, 6557368), (155, 5922784), (160, 5737697), (193, 4756640), (217, 4230560), (224, 4098355), (248, 3701740), (274, 3350480), (280, 3278684), (310, 2961392), (386, 2378320), (434, 2115280), (496, 1850870), (548, 1675240), (560, 1639342), (620, 1480696), (685, 1340192), (772, 1189160), (868, 1057640), (959, 957280), (965, 951328), (992, 925435), (1085, 846112), (1096, 837620), (1120, 819671), (1240, 740348), (1351, 679520), (1370, 670096), (1544, 594580), (1736, 528820), (1918, 478640), (1930, 475664), (2170, 423056), (2192, 418810), (2480, 370174), (2702, 339760), (2740, 335048), (3088, 297290), (3472, 264410), (3836, 239320), (3860, 237832), (4247, 216160), (4340, 211528), (4384, 209405), (4795, 191456), (4960, 185087), (5404, 169880), (5480, 167524), (5983, 153440), (6176, 148645), (6755, 135904), (6944, 132205), (7672, 119660), (7720, 118916), (8494, 108080), (8680, 105764), (9590, 95728), (10808, 84940), (10960, 83762), (11966, 76720), (13510, 67952), (15344, 59830), (15440, 59458), (16988, 54040), (17360, 52882), (19180, 47864), (21235, 43232), (21616, 42470), (21920, 41881), (23932, 38360), (26441, 34720), (27020, 33976), (29729, 30880), (29915, 30688)]