305711280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{20219}}^1$

素因数の和:20248

約数の個数: 160

約数和(自身を含む): 1203494400

約数和(自身を除く): 897783120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 20219, 40438, 60657, 80876, 101095, 121314, 141533, 161752, 181971, 202190, 242628, 283066, 303285, 323504, 363942, 404380, 424599, 485256, 545913, 566132, 606570, 707665, 727884, 808760, 849198, 909855, 970512, 1091826, 1132264, 1213140, 1273797, 1415330, 1455768, 1617520, 1698396, 1819710, 2122995, 2183652, 2264528, 2426280, 2547594, 2729565, 2830660, 2911536, 3396792, 3639420, 3821391, 4245990, 4367304, 4852560, 5095188, 5459130, 5661320, 6368985, 6793584, 7278840, 7642782, 8491980, 8734608, 10190376, 10918260, 11322640, 12737970, 14557680, 15285564, 16983960, 19106955, 20380752, 21836520, 25475940, 30571128, 33967920, 38213910, 43673040, 50951880, 61142256, 76427820, 101903760, 152855640, 305711280]

約数ペア:

[(1, 305711280), (2, 152855640), (3, 101903760), (4, 76427820), (5, 61142256), (6, 50951880), (7, 43673040), (8, 38213910), (9, 33967920), (10, 30571128), (12, 25475940), (14, 21836520), (15, 20380752), (16, 19106955), (18, 16983960), (20, 15285564), (21, 14557680), (24, 12737970), (27, 11322640), (28, 10918260), (30, 10190376), (35, 8734608), (36, 8491980), (40, 7642782), (42, 7278840), (45, 6793584), (48, 6368985), (54, 5661320), (56, 5459130), (60, 5095188), (63, 4852560), (70, 4367304), (72, 4245990), (80, 3821391), (84, 3639420), (90, 3396792), (105, 2911536), (108, 2830660), (112, 2729565), (120, 2547594), (126, 2426280), (135, 2264528), (140, 2183652), (144, 2122995), (168, 1819710), (180, 1698396), (189, 1617520), (210, 1455768), (216, 1415330), (240, 1273797), (252, 1213140), (270, 1132264), (280, 1091826), (315, 970512), (336, 909855), (360, 849198), (378, 808760), (420, 727884), (432, 707665), (504, 606570), (540, 566132), (560, 545913), (630, 485256), (720, 424599), (756, 404380), (840, 363942), (945, 323504), (1008, 303285), (1080, 283066), (1260, 242628), (1512, 202190), (1680, 181971), (1890, 161752), (2160, 141533), (2520, 121314), (3024, 101095), (3780, 80876), (5040, 60657), (7560, 40438), (15120, 20219)]