18695040

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 256

約数和(自身を含む): 74027520

約数和(自身を除く): 55332480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 107, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 214, 224, 240, 260, 273, 280, 312, 320, 321, 336, 364, 384, 390, 416, 420, 428, 448, 455, 480, 520, 535, 546, 560, 624, 640, 642, 672, 728, 749, 780, 832, 840, 856, 896, 910, 960, 1040, 1070, 1092, 1120, 1248, 1284, 1344, 1365, 1391, 1456, 1498, 1560, 1605, 1664, 1680, 1712, 1820, 1920, 2080, 2140, 2184, 2240, 2247, 2496, 2568, 2688, 2730, 2782, 2912, 2996, 3120, 3210, 3360, 3424, 3640, 3745, 4160, 4173, 4280, 4368, 4480, 4494, 4992, 5136, 5460, 5564, 5824, 5992, 6240, 6420, 6720, 6848, 6955, 7280, 7490, 8320, 8346, 8560, 8736, 8988, 9737, 10272, 10920, 11128, 11235, 11648, 11984, 12480, 12840, 13440, 13696, 13910, 14560, 14980, 16692, 17120, 17472, 17976, 19474, 20544, 20865, 21840, 22256, 22470, 23968, 24960, 25680, 27820, 29120, 29211, 29960, 33384, 34240, 34944, 35952, 38948, 41088, 41730, 43680, 44512, 44940, 47936, 48685, 51360, 55640, 58240, 58422, 59920, 66768, 68480, 71904, 77896, 83460, 87360, 89024, 89880, 95872, 97370, 102720, 111280, 116844, 119840, 133536, 143808, 146055, 155792, 166920, 174720, 178048, 179760, 194740, 205440, 222560, 233688, 239680, 267072, 287616, 292110, 311584, 333840, 359520, 389480, 445120, 467376, 479360, 534144, 584220, 623168, 667680, 719040, 778960, 890240, 934752, 1168440, 1246336, 1335360, 1438080, 1557920, 1869504, 2336880, 2670720, 3115840, 3739008, 4673760, 6231680, 9347520, 18695040]

約数ペア:

[(1, 18695040), (2, 9347520), (3, 6231680), (4, 4673760), (5, 3739008), (6, 3115840), (7, 2670720), (8, 2336880), (10, 1869504), (12, 1557920), (13, 1438080), (14, 1335360), (15, 1246336), (16, 1168440), (20, 934752), (21, 890240), (24, 778960), (26, 719040), (28, 667680), (30, 623168), (32, 584220), (35, 534144), (39, 479360), (40, 467376), (42, 445120), (48, 389480), (52, 359520), (56, 333840), (60, 311584), (64, 292110), (65, 287616), (70, 267072), (78, 239680), (80, 233688), (84, 222560), (91, 205440), (96, 194740), (104, 179760), (105, 178048), (107, 174720), (112, 166920), (120, 155792), (128, 146055), (130, 143808), (140, 133536), (156, 119840), (160, 116844), (168, 111280), (182, 102720), (192, 97370), (195, 95872), (208, 89880), (210, 89024), (214, 87360), (224, 83460), (240, 77896), (260, 71904), (273, 68480), (280, 66768), (312, 59920), (320, 58422), (321, 58240), (336, 55640), (364, 51360), (384, 48685), (390, 47936), (416, 44940), (420, 44512), (428, 43680), (448, 41730), (455, 41088), (480, 38948), (520, 35952), (535, 34944), (546, 34240), (560, 33384), (624, 29960), (640, 29211), (642, 29120), (672, 27820), (728, 25680), (749, 24960), (780, 23968), (832, 22470), (840, 22256), (856, 21840), (896, 20865), (910, 20544), (960, 19474), (1040, 17976), (1070, 17472), (1092, 17120), (1120, 16692), (1248, 14980), (1284, 14560), (1344, 13910), (1365, 13696), (1391, 13440), (1456, 12840), (1498, 12480), (1560, 11984), (1605, 11648), (1664, 11235), (1680, 11128), (1712, 10920), (1820, 10272), (1920, 9737), (2080, 8988), (2140, 8736), (2184, 8560), (2240, 8346), (2247, 8320), (2496, 7490), (2568, 7280), (2688, 6955), (2730, 6848), (2782, 6720), (2912, 6420), (2996, 6240), (3120, 5992), (3210, 5824), (3360, 5564), (3424, 5460), (3640, 5136), (3745, 4992), (4160, 4494), (4173, 4480), (4280, 4368)]