661539312

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:362

約数の個数: 240

約数和(自身を含む): 2224302080

約数和(自身を除く): 1562762768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 109, 112, 126, 144, 162, 168, 189, 216, 218, 223, 243, 252, 324, 327, 336, 378, 432, 436, 446, 486, 504, 567, 648, 654, 669, 756, 763, 872, 892, 972, 981, 1008, 1134, 1296, 1308, 1338, 1512, 1526, 1561, 1701, 1744, 1784, 1944, 1962, 2007, 2268, 2289, 2616, 2676, 2943, 3024, 3052, 3122, 3402, 3568, 3888, 3924, 4014, 4536, 4578, 4683, 5232, 5352, 5886, 6021, 6104, 6244, 6804, 6867, 7848, 8028, 8829, 9072, 9156, 9366, 10704, 11772, 12042, 12208, 12488, 13608, 13734, 14049, 15696, 16056, 17658, 18063, 18312, 18732, 20601, 23544, 24084, 24307, 24976, 26487, 27216, 27468, 28098, 32112, 35316, 36126, 36624, 37464, 41202, 42147, 47088, 48168, 48614, 52974, 54189, 54936, 56196, 61803, 70632, 72252, 72921, 74928, 82404, 84294, 96336, 97228, 105948, 108378, 109872, 112392, 123606, 126441, 141264, 144504, 145842, 164808, 168588, 170149, 185409, 194456, 211896, 216756, 218763, 224784, 247212, 252882, 289008, 291684, 329616, 337176, 340298, 370818, 379323, 388912, 423792, 433512, 437526, 494424, 505764, 510447, 583368, 656289, 674352, 680596, 741636, 758646, 867024, 875052, 988848, 1011528, 1020894, 1166736, 1312578, 1361192, 1483272, 1517292, 1531341, 1750104, 1968867, 2023056, 2041788, 2625156, 2722384, 2966544, 3034584, 3062682, 3500208, 3937734, 4083576, 4594023, 5250312, 5906601, 6069168, 6125364, 7875468, 8167152, 9188046, 10500624, 11813202, 12250728, 13782069, 15750936, 18376092, 23626404, 24501456, 27564138, 31501872, 36752184, 41346207, 47252808, 55128276, 73504368, 82692414, 94505616, 110256552, 165384828, 220513104, 330769656, 661539312]

約数ペア:

[(1, 661539312), (2, 330769656), (3, 220513104), (4, 165384828), (6, 110256552), (7, 94505616), (8, 82692414), (9, 73504368), (12, 55128276), (14, 47252808), (16, 41346207), (18, 36752184), (21, 31501872), (24, 27564138), (27, 24501456), (28, 23626404), (36, 18376092), (42, 15750936), (48, 13782069), (54, 12250728), (56, 11813202), (63, 10500624), (72, 9188046), (81, 8167152), (84, 7875468), (108, 6125364), (109, 6069168), (112, 5906601), (126, 5250312), (144, 4594023), (162, 4083576), (168, 3937734), (189, 3500208), (216, 3062682), (218, 3034584), (223, 2966544), (243, 2722384), (252, 2625156), (324, 2041788), (327, 2023056), (336, 1968867), (378, 1750104), (432, 1531341), (436, 1517292), (446, 1483272), (486, 1361192), (504, 1312578), (567, 1166736), (648, 1020894), (654, 1011528), (669, 988848), (756, 875052), (763, 867024), (872, 758646), (892, 741636), (972, 680596), (981, 674352), (1008, 656289), (1134, 583368), (1296, 510447), (1308, 505764), (1338, 494424), (1512, 437526), (1526, 433512), (1561, 423792), (1701, 388912), (1744, 379323), (1784, 370818), (1944, 340298), (1962, 337176), (2007, 329616), (2268, 291684), (2289, 289008), (2616, 252882), (2676, 247212), (2943, 224784), (3024, 218763), (3052, 216756), (3122, 211896), (3402, 194456), (3568, 185409), (3888, 170149), (3924, 168588), (4014, 164808), (4536, 145842), (4578, 144504), (4683, 141264), (5232, 126441), (5352, 123606), (5886, 112392), (6021, 109872), (6104, 108378), (6244, 105948), (6804, 97228), (6867, 96336), (7848, 84294), (8028, 82404), (8829, 74928), (9072, 72921), (9156, 72252), (9366, 70632), (10704, 61803), (11772, 56196), (12042, 54936), (12208, 54189), (12488, 52974), (13608, 48614), (13734, 48168), (14049, 47088), (15696, 42147), (16056, 41202), (17658, 37464), (18063, 36624), (18312, 36126), (18732, 35316), (20601, 32112), (23544, 28098), (24084, 27468), (24307, 27216), (24976, 26487)]