869857520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:703

約数の個数: 160

約数和(自身を含む): 2416988160

約数和(自身を除く): 1547130640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 89, 112, 124, 140, 155, 178, 217, 248, 280, 310, 356, 434, 445, 496, 560, 563, 620, 623, 712, 868, 890, 1085, 1126, 1240, 1246, 1424, 1736, 1780, 2170, 2252, 2480, 2492, 2759, 2815, 3115, 3472, 3560, 3941, 4340, 4504, 4984, 5518, 5630, 6230, 7120, 7882, 8680, 9008, 9968, 11036, 11260, 12460, 13795, 15764, 17360, 17453, 19313, 19705, 22072, 22520, 24920, 27590, 31528, 34906, 38626, 39410, 44144, 45040, 49840, 50107, 55180, 63056, 69812, 77252, 78820, 87265, 96565, 100214, 110360, 122171, 139624, 154504, 157640, 174530, 193130, 200428, 220720, 244342, 250535, 279248, 309008, 315280, 349060, 350749, 386260, 400856, 488684, 501070, 610855, 698120, 701498, 772520, 801712, 977368, 1002140, 1221710, 1396240, 1402996, 1545040, 1553317, 1753745, 1954736, 2004280, 2443420, 2805992, 3106634, 3507490, 4008560, 4886840, 5611984, 6213268, 7014980, 7766585, 9773680, 10873219, 12426536, 14029960, 15533170, 21746438, 24853072, 28059920, 31066340, 43492876, 54366095, 62132680, 86985752, 108732190, 124265360, 173971504, 217464380, 434928760, 869857520]

約数ペア:

[(1, 869857520), (2, 434928760), (4, 217464380), (5, 173971504), (7, 124265360), (8, 108732190), (10, 86985752), (14, 62132680), (16, 54366095), (20, 43492876), (28, 31066340), (31, 28059920), (35, 24853072), (40, 21746438), (56, 15533170), (62, 14029960), (70, 12426536), (80, 10873219), (89, 9773680), (112, 7766585), (124, 7014980), (140, 6213268), (155, 5611984), (178, 4886840), (217, 4008560), (248, 3507490), (280, 3106634), (310, 2805992), (356, 2443420), (434, 2004280), (445, 1954736), (496, 1753745), (560, 1553317), (563, 1545040), (620, 1402996), (623, 1396240), (712, 1221710), (868, 1002140), (890, 977368), (1085, 801712), (1126, 772520), (1240, 701498), (1246, 698120), (1424, 610855), (1736, 501070), (1780, 488684), (2170, 400856), (2252, 386260), (2480, 350749), (2492, 349060), (2759, 315280), (2815, 309008), (3115, 279248), (3472, 250535), (3560, 244342), (3941, 220720), (4340, 200428), (4504, 193130), (4984, 174530), (5518, 157640), (5630, 154504), (6230, 139624), (7120, 122171), (7882, 110360), (8680, 100214), (9008, 96565), (9968, 87265), (11036, 78820), (11260, 77252), (12460, 69812), (13795, 63056), (15764, 55180), (17360, 50107), (17453, 49840), (19313, 45040), (19705, 44144), (22072, 39410), (22520, 38626), (24920, 34906), (27590, 31528)]