254226840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:994

約数の個数: 256

約数和(自身を含む): 972518400

約数和(自身を除く): 718291560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 51, 56, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 120, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 255, 266, 280, 285, 323, 340, 357, 380, 399, 408, 420, 456, 476, 510, 532, 570, 595, 646, 665, 680, 714, 760, 798, 840, 937, 952, 969, 1020, 1064, 1140, 1190, 1292, 1330, 1428, 1596, 1615, 1785, 1874, 1938, 1995, 2040, 2261, 2280, 2380, 2584, 2660, 2811, 2856, 3192, 3230, 3570, 3748, 3876, 3990, 4522, 4685, 4760, 4845, 5320, 5622, 6460, 6559, 6783, 7140, 7496, 7752, 7980, 9044, 9370, 9690, 11244, 11305, 12920, 13118, 13566, 14055, 14280, 15929, 15960, 17803, 18088, 18740, 19380, 19677, 22488, 22610, 26236, 27132, 28110, 31858, 32795, 33915, 35606, 37480, 38760, 39354, 45220, 47787, 52472, 53409, 54264, 56220, 63716, 65590, 67830, 71212, 78708, 79645, 89015, 90440, 95574, 98385, 106818, 111503, 112440, 124621, 127432, 131180, 135660, 142424, 157416, 159290, 178030, 191148, 196770, 213636, 223006, 238935, 249242, 262360, 267045, 271320, 302651, 318580, 334509, 356060, 373863, 382296, 393540, 427272, 446012, 477870, 498484, 534090, 557515, 605302, 623105, 637160, 669018, 712120, 747726, 787080, 892024, 907953, 955740, 996968, 1068180, 1115030, 1210604, 1246210, 1338036, 1495452, 1513255, 1672545, 1815906, 1869315, 1911480, 2118557, 2136360, 2230060, 2421208, 2492420, 2676072, 2990904, 3026510, 3345090, 3631812, 3738630, 4237114, 4460120, 4539765, 4984840, 6053020, 6355671, 6690180, 7263624, 7477260, 8474228, 9079530, 10592785, 12106040, 12711342, 13380360, 14954520, 16948456, 18159060, 21185570, 25422684, 31778355, 36318120, 42371140, 50845368, 63556710, 84742280, 127113420, 254226840]

約数ペア:

[(1, 254226840), (2, 127113420), (3, 84742280), (4, 63556710), (5, 50845368), (6, 42371140), (7, 36318120), (8, 31778355), (10, 25422684), (12, 21185570), (14, 18159060), (15, 16948456), (17, 14954520), (19, 13380360), (20, 12711342), (21, 12106040), (24, 10592785), (28, 9079530), (30, 8474228), (34, 7477260), (35, 7263624), (38, 6690180), (40, 6355671), (42, 6053020), (51, 4984840), (56, 4539765), (57, 4460120), (60, 4237114), (68, 3738630), (70, 3631812), (76, 3345090), (84, 3026510), (85, 2990904), (95, 2676072), (102, 2492420), (105, 2421208), (114, 2230060), (119, 2136360), (120, 2118557), (133, 1911480), (136, 1869315), (140, 1815906), (152, 1672545), (168, 1513255), (170, 1495452), (190, 1338036), (204, 1246210), (210, 1210604), (228, 1115030), (238, 1068180), (255, 996968), (266, 955740), (280, 907953), (285, 892024), (323, 787080), (340, 747726), (357, 712120), (380, 669018), (399, 637160), (408, 623105), (420, 605302), (456, 557515), (476, 534090), (510, 498484), (532, 477870), (570, 446012), (595, 427272), (646, 393540), (665, 382296), (680, 373863), (714, 356060), (760, 334509), (798, 318580), (840, 302651), (937, 271320), (952, 267045), (969, 262360), (1020, 249242), (1064, 238935), (1140, 223006), (1190, 213636), (1292, 196770), (1330, 191148), (1428, 178030), (1596, 159290), (1615, 157416), (1785, 142424), (1874, 135660), (1938, 131180), (1995, 127432), (2040, 124621), (2261, 112440), (2280, 111503), (2380, 106818), (2584, 98385), (2660, 95574), (2811, 90440), (2856, 89015), (3192, 79645), (3230, 78708), (3570, 71212), (3748, 67830), (3876, 65590), (3990, 63716), (4522, 56220), (4685, 54264), (4760, 53409), (4845, 52472), (5320, 47787), (5622, 45220), (6460, 39354), (6559, 38760), (6783, 37480), (7140, 35606), (7496, 33915), (7752, 32795), (7980, 31858), (9044, 28110), (9370, 27132), (9690, 26236), (11244, 22610), (11305, 22488), (12920, 19677), (13118, 19380), (13566, 18740), (14055, 18088), (14280, 17803), (15929, 15960)]