321870420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 1018377360

約数和(自身を除く): 696506940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 197, 261, 290, 313, 348, 394, 435, 522, 580, 591, 626, 788, 870, 939, 985, 1044, 1182, 1252, 1305, 1565, 1740, 1773, 1878, 1970, 2364, 2610, 2817, 2955, 3130, 3546, 3756, 3940, 4695, 5220, 5634, 5713, 5910, 6260, 7092, 8865, 9077, 9390, 11268, 11426, 11820, 14085, 17139, 17730, 18154, 18780, 22852, 27231, 28170, 28565, 34278, 35460, 36308, 45385, 51417, 54462, 56340, 57130, 61661, 68556, 81693, 85695, 90770, 102834, 108924, 114260, 123322, 136155, 163386, 171390, 181540, 184983, 205668, 246644, 257085, 272310, 308305, 326772, 342780, 369966, 408465, 514170, 544620, 554949, 616610, 739932, 816930, 924915, 1028340, 1109898, 1233220, 1633860, 1788169, 1849830, 2219796, 2774745, 3576338, 3699660, 5364507, 5549490, 7152676, 8940845, 10729014, 11098980, 16093521, 17881690, 21458028, 26822535, 32187042, 35763380, 53645070, 64374084, 80467605, 107290140, 160935210, 321870420]

約数ペア:

[(1, 321870420), (2, 160935210), (3, 107290140), (4, 80467605), (5, 64374084), (6, 53645070), (9, 35763380), (10, 32187042), (12, 26822535), (15, 21458028), (18, 17881690), (20, 16093521), (29, 11098980), (30, 10729014), (36, 8940845), (45, 7152676), (58, 5549490), (60, 5364507), (87, 3699660), (90, 3576338), (116, 2774745), (145, 2219796), (174, 1849830), (180, 1788169), (197, 1633860), (261, 1233220), (290, 1109898), (313, 1028340), (348, 924915), (394, 816930), (435, 739932), (522, 616610), (580, 554949), (591, 544620), (626, 514170), (788, 408465), (870, 369966), (939, 342780), (985, 326772), (1044, 308305), (1182, 272310), (1252, 257085), (1305, 246644), (1565, 205668), (1740, 184983), (1773, 181540), (1878, 171390), (1970, 163386), (2364, 136155), (2610, 123322), (2817, 114260), (2955, 108924), (3130, 102834), (3546, 90770), (3756, 85695), (3940, 81693), (4695, 68556), (5220, 61661), (5634, 57130), (5713, 56340), (5910, 54462), (6260, 51417), (7092, 45385), (8865, 36308), (9077, 35460), (9390, 34278), (11268, 28565), (11426, 28170), (11820, 27231), (14085, 22852), (17139, 18780), (17730, 18154)]