80325840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:509

約数の個数: 160

約数和(自身を含む): 287481600

約数和(自身を除く): 207155760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 137, 140, 168, 210, 240, 274, 280, 336, 349, 411, 420, 548, 560, 685, 698, 822, 840, 959, 1047, 1096, 1370, 1396, 1644, 1680, 1745, 1918, 2055, 2094, 2192, 2443, 2740, 2792, 2877, 3288, 3490, 3836, 4110, 4188, 4795, 4886, 5235, 5480, 5584, 5754, 6576, 6980, 7329, 7672, 8220, 8376, 9590, 9772, 10470, 10960, 11508, 12215, 13960, 14385, 14658, 15344, 16440, 16752, 19180, 19544, 20940, 23016, 24430, 27920, 28770, 29316, 32880, 36645, 38360, 39088, 41880, 46032, 47813, 48860, 57540, 58632, 73290, 76720, 83760, 95626, 97720, 115080, 117264, 143439, 146580, 191252, 195440, 230160, 239065, 286878, 293160, 334691, 382504, 478130, 573756, 586320, 669382, 717195, 765008, 956260, 1004073, 1147512, 1338764, 1434390, 1673455, 1912520, 2008146, 2295024, 2677528, 2868780, 3346910, 3825040, 4016292, 5020365, 5355056, 5737560, 6693820, 8032584, 10040730, 11475120, 13387640, 16065168, 20081460, 26775280, 40162920, 80325840]

約数ペア:

[(1, 80325840), (2, 40162920), (3, 26775280), (4, 20081460), (5, 16065168), (6, 13387640), (7, 11475120), (8, 10040730), (10, 8032584), (12, 6693820), (14, 5737560), (15, 5355056), (16, 5020365), (20, 4016292), (21, 3825040), (24, 3346910), (28, 2868780), (30, 2677528), (35, 2295024), (40, 2008146), (42, 1912520), (48, 1673455), (56, 1434390), (60, 1338764), (70, 1147512), (80, 1004073), (84, 956260), (105, 765008), (112, 717195), (120, 669382), (137, 586320), (140, 573756), (168, 478130), (210, 382504), (240, 334691), (274, 293160), (280, 286878), (336, 239065), (349, 230160), (411, 195440), (420, 191252), (548, 146580), (560, 143439), (685, 117264), (698, 115080), (822, 97720), (840, 95626), (959, 83760), (1047, 76720), (1096, 73290), (1370, 58632), (1396, 57540), (1644, 48860), (1680, 47813), (1745, 46032), (1918, 41880), (2055, 39088), (2094, 38360), (2192, 36645), (2443, 32880), (2740, 29316), (2792, 28770), (2877, 27920), (3288, 24430), (3490, 23016), (3836, 20940), (4110, 19544), (4188, 19180), (4795, 16752), (4886, 16440), (5235, 15344), (5480, 14658), (5584, 14385), (5754, 13960), (6576, 12215), (6980, 11508), (7329, 10960), (7672, 10470), (8220, 9772), (8376, 9590)]