627975680

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 160

約数和(自身を含む): 1600397568

約数和(自身を除く): 972421888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 193, 205, 248, 256, 310, 320, 328, 386, 410, 496, 512, 620, 640, 656, 772, 820, 965, 992, 1240, 1271, 1280, 1312, 1544, 1640, 1930, 1984, 2480, 2542, 2560, 2624, 3088, 3280, 3860, 3968, 4960, 5084, 5248, 5983, 6176, 6355, 6560, 7720, 7913, 7936, 9920, 10168, 10496, 11966, 12352, 12710, 13120, 15440, 15826, 15872, 19840, 20336, 20992, 23932, 24704, 25420, 26240, 29915, 30880, 31652, 39565, 39680, 40672, 47864, 49408, 50840, 52480, 59830, 61760, 63304, 79130, 79360, 81344, 95728, 98816, 101680, 104960, 119660, 123520, 126608, 158260, 162688, 191456, 203360, 239320, 245303, 247040, 253216, 316520, 325376, 382912, 406720, 478640, 490606, 494080, 506432, 633040, 650752, 765824, 813440, 957280, 981212, 1012864, 1226515, 1266080, 1531648, 1626880, 1914560, 1962424, 2025728, 2453030, 2532160, 3063296, 3253760, 3829120, 3924848, 4051456, 4906060, 5064320, 7658240, 7849696, 9812120, 10128640, 15316480, 15699392, 19624240, 20257280, 31398784, 39248480, 62797568, 78496960, 125595136, 156993920, 313987840, 627975680]

約数ペア:

[(1, 627975680), (2, 313987840), (4, 156993920), (5, 125595136), (8, 78496960), (10, 62797568), (16, 39248480), (20, 31398784), (31, 20257280), (32, 19624240), (40, 15699392), (41, 15316480), (62, 10128640), (64, 9812120), (80, 7849696), (82, 7658240), (124, 5064320), (128, 4906060), (155, 4051456), (160, 3924848), (164, 3829120), (193, 3253760), (205, 3063296), (248, 2532160), (256, 2453030), (310, 2025728), (320, 1962424), (328, 1914560), (386, 1626880), (410, 1531648), (496, 1266080), (512, 1226515), (620, 1012864), (640, 981212), (656, 957280), (772, 813440), (820, 765824), (965, 650752), (992, 633040), (1240, 506432), (1271, 494080), (1280, 490606), (1312, 478640), (1544, 406720), (1640, 382912), (1930, 325376), (1984, 316520), (2480, 253216), (2542, 247040), (2560, 245303), (2624, 239320), (3088, 203360), (3280, 191456), (3860, 162688), (3968, 158260), (4960, 126608), (5084, 123520), (5248, 119660), (5983, 104960), (6176, 101680), (6355, 98816), (6560, 95728), (7720, 81344), (7913, 79360), (7936, 79130), (9920, 63304), (10168, 61760), (10496, 59830), (11966, 52480), (12352, 50840), (12710, 49408), (13120, 47864), (15440, 40672), (15826, 39680), (15872, 39565), (19840, 31652), (20336, 30880), (20992, 29915), (23932, 26240), (24704, 25420)]