21581728080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{281893}}^1$

素因数の和:281949

約数の個数: 160

約数和(自身を含む): 75502488960

約数和(自身を除く): 53920760880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 29, 30, 33, 40, 44, 48, 55, 58, 60, 66, 80, 87, 88, 110, 116, 120, 132, 145, 165, 174, 176, 220, 232, 240, 264, 290, 319, 330, 348, 435, 440, 464, 528, 580, 638, 660, 696, 870, 880, 957, 1160, 1276, 1320, 1392, 1595, 1740, 1914, 2320, 2552, 2640, 3190, 3480, 3828, 4785, 5104, 6380, 6960, 7656, 9570, 12760, 15312, 19140, 25520, 38280, 76560, 281893, 563786, 845679, 1127572, 1409465, 1691358, 2255144, 2818930, 3100823, 3382716, 4228395, 4510288, 5637860, 6201646, 6765432, 8174897, 8456790, 9302469, 11275720, 12403292, 13530864, 15504115, 16349794, 16913580, 18604938, 22551440, 24524691, 24806584, 31008230, 32699588, 33827160, 37209876, 40874485, 46512345, 49049382, 49613168, 62016460, 65399176, 67654320, 74419752, 81748970, 89923867, 93024690, 98098764, 122623455, 124032920, 130798352, 148839504, 163497940, 179847734, 186049380, 196197528, 245246910, 248065840, 269771601, 326995880, 359695468, 372098760, 392395056, 449619335, 490493820, 539543202, 653991760, 719390936, 744197520, 899238670, 980987640, 1079086404, 1348858005, 1438781872, 1798477340, 1961975280, 2158172808, 2697716010, 3596954680, 4316345616, 5395432020, 7193909360, 10790864040, 21581728080]

約数ペア:

[(1, 21581728080), (2, 10790864040), (3, 7193909360), (4, 5395432020), (5, 4316345616), (6, 3596954680), (8, 2697716010), (10, 2158172808), (11, 1961975280), (12, 1798477340), (15, 1438781872), (16, 1348858005), (20, 1079086404), (22, 980987640), (24, 899238670), (29, 744197520), (30, 719390936), (33, 653991760), (40, 539543202), (44, 490493820), (48, 449619335), (55, 392395056), (58, 372098760), (60, 359695468), (66, 326995880), (80, 269771601), (87, 248065840), (88, 245246910), (110, 196197528), (116, 186049380), (120, 179847734), (132, 163497940), (145, 148839504), (165, 130798352), (174, 124032920), (176, 122623455), (220, 98098764), (232, 93024690), (240, 89923867), (264, 81748970), (290, 74419752), (319, 67654320), (330, 65399176), (348, 62016460), (435, 49613168), (440, 49049382), (464, 46512345), (528, 40874485), (580, 37209876), (638, 33827160), (660, 32699588), (696, 31008230), (870, 24806584), (880, 24524691), (957, 22551440), (1160, 18604938), (1276, 16913580), (1320, 16349794), (1392, 15504115), (1595, 13530864), (1740, 12403292), (1914, 11275720), (2320, 9302469), (2552, 8456790), (2640, 8174897), (3190, 6765432), (3480, 6201646), (3828, 5637860), (4785, 4510288), (5104, 4228395), (6380, 3382716), (6960, 3100823), (7656, 2818930), (9570, 2255144), (12760, 1691358), (15312, 1409465), (19140, 1127572), (25520, 845679), (38280, 563786), (76560, 281893)]