255909960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1068

約数の個数: 192

約数和(自身を含む): 896762880

約数和(自身を除く): 640852920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 60, 62, 69, 72, 90, 92, 93, 115, 120, 124, 138, 155, 180, 184, 186, 207, 230, 248, 276, 279, 310, 345, 360, 372, 414, 460, 465, 552, 558, 620, 690, 713, 744, 828, 920, 930, 997, 1035, 1116, 1240, 1380, 1395, 1426, 1656, 1860, 1994, 2070, 2139, 2232, 2760, 2790, 2852, 2991, 3565, 3720, 3988, 4140, 4278, 4985, 5580, 5704, 5982, 6417, 7130, 7976, 8280, 8556, 8973, 9970, 10695, 11160, 11964, 12834, 14260, 14955, 17112, 17946, 19940, 21390, 22931, 23928, 25668, 28520, 29910, 30907, 32085, 35892, 39880, 42780, 44865, 45862, 51336, 59820, 61814, 64170, 68793, 71784, 85560, 89730, 91724, 92721, 114655, 119640, 123628, 128340, 137586, 154535, 179460, 183448, 185442, 206379, 229310, 247256, 256680, 275172, 278163, 309070, 343965, 358920, 370884, 412758, 458620, 463605, 550344, 556326, 618140, 687930, 710861, 741768, 825516, 917240, 927210, 1031895, 1112652, 1236280, 1375860, 1390815, 1421722, 1651032, 1854420, 2063790, 2132583, 2225304, 2751720, 2781630, 2843444, 3554305, 3708840, 4127580, 4265166, 5563260, 5686888, 6397749, 7108610, 8255160, 8530332, 10662915, 11126520, 12795498, 14217220, 17060664, 21325830, 25590996, 28434440, 31988745, 42651660, 51181992, 63977490, 85303320, 127954980, 255909960]

約数ペア:

[(1, 255909960), (2, 127954980), (3, 85303320), (4, 63977490), (5, 51181992), (6, 42651660), (8, 31988745), (9, 28434440), (10, 25590996), (12, 21325830), (15, 17060664), (18, 14217220), (20, 12795498), (23, 11126520), (24, 10662915), (30, 8530332), (31, 8255160), (36, 7108610), (40, 6397749), (45, 5686888), (46, 5563260), (60, 4265166), (62, 4127580), (69, 3708840), (72, 3554305), (90, 2843444), (92, 2781630), (93, 2751720), (115, 2225304), (120, 2132583), (124, 2063790), (138, 1854420), (155, 1651032), (180, 1421722), (184, 1390815), (186, 1375860), (207, 1236280), (230, 1112652), (248, 1031895), (276, 927210), (279, 917240), (310, 825516), (345, 741768), (360, 710861), (372, 687930), (414, 618140), (460, 556326), (465, 550344), (552, 463605), (558, 458620), (620, 412758), (690, 370884), (713, 358920), (744, 343965), (828, 309070), (920, 278163), (930, 275172), (997, 256680), (1035, 247256), (1116, 229310), (1240, 206379), (1380, 185442), (1395, 183448), (1426, 179460), (1656, 154535), (1860, 137586), (1994, 128340), (2070, 123628), (2139, 119640), (2232, 114655), (2760, 92721), (2790, 91724), (2852, 89730), (2991, 85560), (3565, 71784), (3720, 68793), (3988, 64170), (4140, 61814), (4278, 59820), (4985, 51336), (5580, 45862), (5704, 44865), (5982, 42780), (6417, 39880), (7130, 35892), (7976, 32085), (8280, 30907), (8556, 29910), (8973, 28520), (9970, 25668), (10695, 23928), (11160, 22931), (11964, 21390), (12834, 19940), (14260, 17946), (14955, 17112)]