320264280

素因数分解:

$2^3\times 3^7\times 5^1\times 7^1\times {\mathrm{523}}^1$

素因数の和:562

約数の個数: 256

約数和(自身を含む): 1237478400

約数和(自身を除く): 917214120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 523, 540, 567, 630, 648, 729, 756, 810, 840, 945, 972, 1046, 1080, 1134, 1215, 1260, 1458, 1512, 1569, 1620, 1701, 1890, 1944, 2092, 2187, 2268, 2430, 2520, 2615, 2835, 2916, 3138, 3240, 3402, 3645, 3661, 3780, 4184, 4374, 4536, 4707, 4860, 5103, 5230, 5670, 5832, 6276, 6804, 7290, 7322, 7560, 7845, 8505, 8748, 9414, 9720, 10206, 10460, 10935, 10983, 11340, 12552, 13608, 14121, 14580, 14644, 15309, 15690, 17010, 17496, 18305, 18828, 20412, 20920, 21870, 21966, 22680, 23535, 25515, 28242, 29160, 29288, 30618, 31380, 32949, 34020, 36610, 37656, 40824, 42363, 43740, 43932, 47070, 51030, 54915, 56484, 61236, 62760, 65898, 68040, 70605, 73220, 76545, 84726, 87480, 87864, 94140, 98847, 102060, 109830, 112968, 122472, 127089, 131796, 141210, 146440, 153090, 164745, 169452, 188280, 197694, 204120, 211815, 219660, 254178, 263592, 282420, 296541, 306180, 329490, 338904, 381267, 395388, 423630, 439320, 494235, 508356, 564840, 593082, 612360, 635445, 658980, 762534, 790776, 847260, 889623, 988470, 1016712, 1143801, 1186164, 1270890, 1317960, 1482705, 1525068, 1694520, 1779246, 1906335, 1976940, 2287602, 2372328, 2541780, 2668869, 2965410, 3050136, 3558492, 3812670, 3953880, 4448115, 4575204, 5083560, 5337738, 5719005, 5930820, 7116984, 7625340, 8006607, 8896230, 9150408, 10675476, 11438010, 11861640, 13344345, 15250680, 16013214, 17792460, 21350952, 22876020, 26688690, 32026428, 35584920, 40033035, 45752040, 53377380, 64052856, 80066070, 106754760, 160132140, 320264280]

約数ペア:

[(1, 320264280), (2, 160132140), (3, 106754760), (4, 80066070), (5, 64052856), (6, 53377380), (7, 45752040), (8, 40033035), (9, 35584920), (10, 32026428), (12, 26688690), (14, 22876020), (15, 21350952), (18, 17792460), (20, 16013214), (21, 15250680), (24, 13344345), (27, 11861640), (28, 11438010), (30, 10675476), (35, 9150408), (36, 8896230), (40, 8006607), (42, 7625340), (45, 7116984), (54, 5930820), (56, 5719005), (60, 5337738), (63, 5083560), (70, 4575204), (72, 4448115), (81, 3953880), (84, 3812670), (90, 3558492), (105, 3050136), (108, 2965410), (120, 2668869), (126, 2541780), (135, 2372328), (140, 2287602), (162, 1976940), (168, 1906335), (180, 1779246), (189, 1694520), (210, 1525068), (216, 1482705), (243, 1317960), (252, 1270890), (270, 1186164), (280, 1143801), (315, 1016712), (324, 988470), (360, 889623), (378, 847260), (405, 790776), (420, 762534), (486, 658980), (504, 635445), (523, 612360), (540, 593082), (567, 564840), (630, 508356), (648, 494235), (729, 439320), (756, 423630), (810, 395388), (840, 381267), (945, 338904), (972, 329490), (1046, 306180), (1080, 296541), (1134, 282420), (1215, 263592), (1260, 254178), (1458, 219660), (1512, 211815), (1569, 204120), (1620, 197694), (1701, 188280), (1890, 169452), (1944, 164745), (2092, 153090), (2187, 146440), (2268, 141210), (2430, 131796), (2520, 127089), (2615, 122472), (2835, 112968), (2916, 109830), (3138, 102060), (3240, 98847), (3402, 94140), (3645, 87864), (3661, 87480), (3780, 84726), (4184, 76545), (4374, 73220), (4536, 70605), (4707, 68040), (4860, 65898), (5103, 62760), (5230, 61236), (5670, 56484), (5832, 54915), (6276, 51030), (6804, 47070), (7290, 43932), (7322, 43740), (7560, 42363), (7845, 40824), (8505, 37656), (8748, 36610), (9414, 34020), (9720, 32949), (10206, 31380), (10460, 30618), (10935, 29288), (10983, 29160), (11340, 28242), (12552, 25515), (13608, 23535), (14121, 22680), (14580, 21966), (14644, 21870), (15309, 20920), (15690, 20412), (17010, 18828), (17496, 18305)]