254088640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:726

約数の個数: 112

約数和(自身を含む): 659026368

約数和(自身を除く): 404937728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 103, 104, 130, 160, 206, 208, 260, 320, 412, 416, 515, 520, 593, 824, 832, 1030, 1040, 1186, 1339, 1648, 2060, 2080, 2372, 2678, 2965, 3296, 4120, 4160, 4744, 5356, 5930, 6592, 6695, 7709, 8240, 9488, 10712, 11860, 13390, 15418, 16480, 18976, 21424, 23720, 26780, 30836, 32960, 37952, 38545, 42848, 47440, 53560, 61079, 61672, 77090, 85696, 94880, 107120, 122158, 123344, 154180, 189760, 214240, 244316, 246688, 305395, 308360, 428480, 488632, 493376, 610790, 616720, 794027, 977264, 1221580, 1233440, 1588054, 1954528, 2443160, 2466880, 3176108, 3909056, 3970135, 4886320, 6352216, 7940270, 9772640, 12704432, 15880540, 19545280, 25408864, 31761080, 50817728, 63522160, 127044320, 254088640]

約数ペア:

[(1, 254088640), (2, 127044320), (4, 63522160), (5, 50817728), (8, 31761080), (10, 25408864), (13, 19545280), (16, 15880540), (20, 12704432), (26, 9772640), (32, 7940270), (40, 6352216), (52, 4886320), (64, 3970135), (65, 3909056), (80, 3176108), (103, 2466880), (104, 2443160), (130, 1954528), (160, 1588054), (206, 1233440), (208, 1221580), (260, 977264), (320, 794027), (412, 616720), (416, 610790), (515, 493376), (520, 488632), (593, 428480), (824, 308360), (832, 305395), (1030, 246688), (1040, 244316), (1186, 214240), (1339, 189760), (1648, 154180), (2060, 123344), (2080, 122158), (2372, 107120), (2678, 94880), (2965, 85696), (3296, 77090), (4120, 61672), (4160, 61079), (4744, 53560), (5356, 47440), (5930, 42848), (6592, 38545), (6695, 37952), (7709, 32960), (8240, 30836), (9488, 26780), (10712, 23720), (11860, 21424), (13390, 18976), (15418, 16480)]