7865178880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:503

約数の個数: 216

約数和(自身を含む): 20656647648

約数和(自身を除く): 12791468768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 103, 104, 128, 130, 160, 169, 206, 208, 256, 260, 320, 338, 353, 412, 416, 515, 520, 640, 676, 706, 824, 832, 845, 1030, 1040, 1280, 1339, 1352, 1412, 1648, 1664, 1690, 1765, 2060, 2080, 2678, 2704, 2824, 3296, 3328, 3380, 3530, 4120, 4160, 4589, 5356, 5408, 5648, 6592, 6695, 6760, 7060, 8240, 8320, 9178, 10712, 10816, 11296, 13184, 13390, 13520, 14120, 16480, 16640, 17407, 18356, 21424, 21632, 22592, 22945, 26368, 26780, 27040, 28240, 32960, 34814, 36359, 36712, 42848, 43264, 45184, 45890, 53560, 54080, 56480, 59657, 65920, 69628, 72718, 73424, 85696, 87035, 90368, 91780, 107120, 108160, 112960, 119314, 131840, 139256, 145436, 146848, 171392, 174070, 181795, 183560, 214240, 216320, 225920, 238628, 278512, 290872, 293696, 298285, 342784, 348140, 363590, 367120, 428480, 451840, 472667, 477256, 557024, 581744, 587392, 596570, 696280, 727180, 734240, 856960, 945334, 954512, 1114048, 1163488, 1174784, 1193140, 1392560, 1454360, 1468480, 1713920, 1890668, 1909024, 2228096, 2326976, 2363335, 2386280, 2785120, 2908720, 2936960, 3781336, 3818048, 4456192, 4653952, 4726670, 4772560, 5570240, 5817440, 5873920, 6144671, 7562672, 7636096, 9307904, 9453340, 9545120, 11140480, 11634880, 12289342, 15125344, 15272192, 18906680, 19090240, 22280960, 23269760, 24578684, 30250688, 30723355, 37813360, 38180480, 46539520, 49157368, 60501376, 61446710, 75626720, 76360960, 98314736, 121002752, 122893420, 151253440, 196629472, 245786840, 302506880, 393258944, 491573680, 605013760, 786517888, 983147360, 1573035776, 1966294720, 3932589440, 7865178880]

約数ペア:

[(1, 7865178880), (2, 3932589440), (4, 1966294720), (5, 1573035776), (8, 983147360), (10, 786517888), (13, 605013760), (16, 491573680), (20, 393258944), (26, 302506880), (32, 245786840), (40, 196629472), (52, 151253440), (64, 122893420), (65, 121002752), (80, 98314736), (103, 76360960), (104, 75626720), (128, 61446710), (130, 60501376), (160, 49157368), (169, 46539520), (206, 38180480), (208, 37813360), (256, 30723355), (260, 30250688), (320, 24578684), (338, 23269760), (353, 22280960), (412, 19090240), (416, 18906680), (515, 15272192), (520, 15125344), (640, 12289342), (676, 11634880), (706, 11140480), (824, 9545120), (832, 9453340), (845, 9307904), (1030, 7636096), (1040, 7562672), (1280, 6144671), (1339, 5873920), (1352, 5817440), (1412, 5570240), (1648, 4772560), (1664, 4726670), (1690, 4653952), (1765, 4456192), (2060, 3818048), (2080, 3781336), (2678, 2936960), (2704, 2908720), (2824, 2785120), (3296, 2386280), (3328, 2363335), (3380, 2326976), (3530, 2228096), (4120, 1909024), (4160, 1890668), (4589, 1713920), (5356, 1468480), (5408, 1454360), (5648, 1392560), (6592, 1193140), (6695, 1174784), (6760, 1163488), (7060, 1114048), (8240, 954512), (8320, 945334), (9178, 856960), (10712, 734240), (10816, 727180), (11296, 696280), (13184, 596570), (13390, 587392), (13520, 581744), (14120, 557024), (16480, 477256), (16640, 472667), (17407, 451840), (18356, 428480), (21424, 367120), (21632, 363590), (22592, 348140), (22945, 342784), (26368, 298285), (26780, 293696), (27040, 290872), (28240, 278512), (32960, 238628), (34814, 225920), (36359, 216320), (36712, 214240), (42848, 183560), (43264, 181795), (45184, 174070), (45890, 171392), (53560, 146848), (54080, 145436), (56480, 139256), (59657, 131840), (65920, 119314), (69628, 112960), (72718, 108160), (73424, 107120), (85696, 91780), (87035, 90368)]