256992570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 192

約数和(自身を含む): 756138240

約数和(自身を除く): 499145670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 67, 69, 85, 90, 102, 109, 115, 134, 138, 153, 170, 201, 207, 218, 230, 255, 306, 327, 335, 345, 391, 402, 414, 510, 545, 603, 654, 670, 690, 765, 782, 981, 1005, 1035, 1090, 1139, 1173, 1206, 1530, 1541, 1635, 1853, 1955, 1962, 2010, 2070, 2278, 2346, 2507, 3015, 3082, 3270, 3417, 3519, 3706, 3910, 4623, 4905, 5014, 5559, 5695, 5865, 6030, 6834, 7038, 7303, 7521, 7705, 9246, 9265, 9810, 10251, 11118, 11390, 11730, 12535, 13869, 14606, 15042, 15410, 16677, 17085, 17595, 18530, 20502, 21909, 22563, 23115, 25070, 26197, 27738, 27795, 33354, 34170, 35190, 36515, 37605, 42619, 43818, 45126, 46230, 51255, 52394, 55590, 65727, 69345, 73030, 75210, 78591, 83385, 85238, 102510, 109545, 112815, 124151, 127857, 130985, 131454, 138690, 157182, 166770, 167969, 213095, 219090, 225630, 235773, 248302, 255714, 261970, 328635, 335938, 372453, 383571, 392955, 426190, 471546, 503907, 620755, 639285, 657270, 744906, 767142, 785910, 839845, 1007814, 1117359, 1178865, 1241510, 1278570, 1511721, 1679690, 1862265, 1917855, 2234718, 2357730, 2519535, 2855473, 3023442, 3724530, 3835710, 5039070, 5586795, 5710946, 7558605, 8566419, 11173590, 14277365, 15117210, 17132838, 25699257, 28554730, 42832095, 51398514, 85664190, 128496285, 256992570]

約数ペア:

[(1, 256992570), (2, 128496285), (3, 85664190), (5, 51398514), (6, 42832095), (9, 28554730), (10, 25699257), (15, 17132838), (17, 15117210), (18, 14277365), (23, 11173590), (30, 8566419), (34, 7558605), (45, 5710946), (46, 5586795), (51, 5039070), (67, 3835710), (69, 3724530), (85, 3023442), (90, 2855473), (102, 2519535), (109, 2357730), (115, 2234718), (134, 1917855), (138, 1862265), (153, 1679690), (170, 1511721), (201, 1278570), (207, 1241510), (218, 1178865), (230, 1117359), (255, 1007814), (306, 839845), (327, 785910), (335, 767142), (345, 744906), (391, 657270), (402, 639285), (414, 620755), (510, 503907), (545, 471546), (603, 426190), (654, 392955), (670, 383571), (690, 372453), (765, 335938), (782, 328635), (981, 261970), (1005, 255714), (1035, 248302), (1090, 235773), (1139, 225630), (1173, 219090), (1206, 213095), (1530, 167969), (1541, 166770), (1635, 157182), (1853, 138690), (1955, 131454), (1962, 130985), (2010, 127857), (2070, 124151), (2278, 112815), (2346, 109545), (2507, 102510), (3015, 85238), (3082, 83385), (3270, 78591), (3417, 75210), (3519, 73030), (3706, 69345), (3910, 65727), (4623, 55590), (4905, 52394), (5014, 51255), (5559, 46230), (5695, 45126), (5865, 43818), (6030, 42619), (6834, 37605), (7038, 36515), (7303, 35190), (7521, 34170), (7705, 33354), (9246, 27795), (9265, 27738), (9810, 26197), (10251, 25070), (11118, 23115), (11390, 22563), (11730, 21909), (12535, 20502), (13869, 18530), (14606, 17595), (15042, 17085), (15410, 16677)]