1818351680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 224

約数和(自身を含む): 4795113600

約数和(自身を除く): 2976761920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 59, 64, 74, 76, 80, 95, 118, 137, 148, 152, 160, 185, 190, 236, 274, 295, 296, 304, 320, 370, 380, 472, 548, 590, 592, 608, 685, 703, 740, 760, 944, 1096, 1121, 1180, 1184, 1216, 1370, 1406, 1480, 1520, 1888, 2183, 2192, 2242, 2360, 2368, 2603, 2740, 2812, 2960, 3040, 3515, 3776, 4366, 4384, 4484, 4720, 5069, 5206, 5480, 5605, 5624, 5920, 6080, 7030, 8083, 8732, 8768, 8968, 9440, 10138, 10412, 10915, 10960, 11210, 11248, 11840, 13015, 14060, 16166, 17464, 17936, 18880, 20276, 20824, 21830, 21920, 22420, 22496, 25345, 26030, 28120, 32332, 34928, 35872, 40415, 40552, 41477, 41648, 43660, 43840, 44840, 44992, 50690, 52060, 56240, 64664, 69856, 71744, 80830, 81104, 82954, 83296, 87320, 89680, 96311, 101380, 104120, 112480, 129328, 139712, 153577, 161660, 162208, 165908, 166592, 174640, 179360, 192622, 202760, 207385, 208240, 224960, 258656, 299071, 307154, 323320, 324416, 331816, 349280, 358720, 385244, 405520, 414770, 416480, 481555, 517312, 598142, 614308, 646640, 663632, 698560, 767885, 770488, 811040, 829540, 832960, 963110, 1196284, 1228616, 1293280, 1327264, 1495355, 1535770, 1540976, 1622080, 1659080, 1926220, 2392568, 2457232, 2586560, 2654528, 2990710, 3071540, 3081952, 3318160, 3852440, 4785136, 4914464, 5682349, 5981420, 6143080, 6163904, 6636320, 7704880, 9570272, 9828928, 11364698, 11962840, 12286160, 13272640, 15409760, 19140544, 22729396, 23925680, 24572320, 28411745, 30819520, 45458792, 47851360, 49144640, 56823490, 90917584, 95702720, 113646980, 181835168, 227293960, 363670336, 454587920, 909175840, 1818351680]

約数ペア:

[(1, 1818351680), (2, 909175840), (4, 454587920), (5, 363670336), (8, 227293960), (10, 181835168), (16, 113646980), (19, 95702720), (20, 90917584), (32, 56823490), (37, 49144640), (38, 47851360), (40, 45458792), (59, 30819520), (64, 28411745), (74, 24572320), (76, 23925680), (80, 22729396), (95, 19140544), (118, 15409760), (137, 13272640), (148, 12286160), (152, 11962840), (160, 11364698), (185, 9828928), (190, 9570272), (236, 7704880), (274, 6636320), (295, 6163904), (296, 6143080), (304, 5981420), (320, 5682349), (370, 4914464), (380, 4785136), (472, 3852440), (548, 3318160), (590, 3081952), (592, 3071540), (608, 2990710), (685, 2654528), (703, 2586560), (740, 2457232), (760, 2392568), (944, 1926220), (1096, 1659080), (1121, 1622080), (1180, 1540976), (1184, 1535770), (1216, 1495355), (1370, 1327264), (1406, 1293280), (1480, 1228616), (1520, 1196284), (1888, 963110), (2183, 832960), (2192, 829540), (2242, 811040), (2360, 770488), (2368, 767885), (2603, 698560), (2740, 663632), (2812, 646640), (2960, 614308), (3040, 598142), (3515, 517312), (3776, 481555), (4366, 416480), (4384, 414770), (4484, 405520), (4720, 385244), (5069, 358720), (5206, 349280), (5480, 331816), (5605, 324416), (5624, 323320), (5920, 307154), (6080, 299071), (7030, 258656), (8083, 224960), (8732, 208240), (8768, 207385), (8968, 202760), (9440, 192622), (10138, 179360), (10412, 174640), (10915, 166592), (10960, 165908), (11210, 162208), (11248, 161660), (11840, 153577), (13015, 139712), (14060, 129328), (16166, 112480), (17464, 104120), (17936, 101380), (18880, 96311), (20276, 89680), (20824, 87320), (21830, 83296), (21920, 82954), (22420, 81104), (22496, 80830), (25345, 71744), (26030, 69856), (28120, 64664), (32332, 56240), (34928, 52060), (35872, 50690), (40415, 44992), (40552, 44840), (41477, 43840), (41648, 43660)]