1649322720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7687}}^1$

素因数の和:7857

約数の個数: 144

約数和(自身を含む): 5666824800

約数和(自身を除く): 4017502080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 149, 160, 180, 240, 288, 298, 360, 447, 480, 596, 720, 745, 894, 1192, 1341, 1440, 1490, 1788, 2235, 2384, 2682, 2980, 3576, 4470, 4768, 5364, 5960, 6705, 7152, 7687, 8940, 10728, 11920, 13410, 14304, 15374, 17880, 21456, 23061, 23840, 26820, 30748, 35760, 38435, 42912, 46122, 53640, 61496, 69183, 71520, 76870, 92244, 107280, 115305, 122992, 138366, 153740, 184488, 214560, 230610, 245984, 276732, 307480, 345915, 368976, 461220, 553464, 614960, 691830, 737952, 922440, 1106928, 1145363, 1229920, 1383660, 1844880, 2213856, 2290726, 2767320, 3436089, 3689760, 4581452, 5534640, 5726815, 6872178, 9162904, 10308267, 11069280, 11453630, 13744356, 17180445, 18325808, 20616534, 22907260, 27488712, 34360890, 36651616, 41233068, 45814520, 51541335, 54977424, 68721780, 82466136, 91629040, 103082670, 109954848, 137443560, 164932272, 183258080, 206165340, 274887120, 329864544, 412330680, 549774240, 824661360, 1649322720]

約数ペア:

[(1, 1649322720), (2, 824661360), (3, 549774240), (4, 412330680), (5, 329864544), (6, 274887120), (8, 206165340), (9, 183258080), (10, 164932272), (12, 137443560), (15, 109954848), (16, 103082670), (18, 91629040), (20, 82466136), (24, 68721780), (30, 54977424), (32, 51541335), (36, 45814520), (40, 41233068), (45, 36651616), (48, 34360890), (60, 27488712), (72, 22907260), (80, 20616534), (90, 18325808), (96, 17180445), (120, 13744356), (144, 11453630), (149, 11069280), (160, 10308267), (180, 9162904), (240, 6872178), (288, 5726815), (298, 5534640), (360, 4581452), (447, 3689760), (480, 3436089), (596, 2767320), (720, 2290726), (745, 2213856), (894, 1844880), (1192, 1383660), (1341, 1229920), (1440, 1145363), (1490, 1106928), (1788, 922440), (2235, 737952), (2384, 691830), (2682, 614960), (2980, 553464), (3576, 461220), (4470, 368976), (4768, 345915), (5364, 307480), (5960, 276732), (6705, 245984), (7152, 230610), (7687, 214560), (8940, 184488), (10728, 153740), (11920, 138366), (13410, 122992), (14304, 115305), (15374, 107280), (17880, 92244), (21456, 76870), (23061, 71520), (23840, 69183), (26820, 61496), (30748, 53640), (35760, 46122), (38435, 42912)]