56161980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 216

約数和(自身を含む): 205444512

約数和(自身を除く): 149282532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 53, 58, 60, 63, 70, 84, 87, 90, 105, 106, 116, 126, 140, 145, 159, 174, 180, 203, 210, 212, 252, 261, 265, 290, 315, 318, 348, 371, 406, 420, 435, 477, 522, 530, 580, 609, 630, 636, 742, 795, 812, 841, 870, 954, 1015, 1044, 1060, 1113, 1218, 1260, 1305, 1484, 1537, 1590, 1682, 1740, 1827, 1855, 1908, 2030, 2226, 2385, 2436, 2523, 2610, 3045, 3074, 3180, 3339, 3364, 3654, 3710, 4060, 4205, 4452, 4611, 4770, 5046, 5220, 5565, 5887, 6090, 6148, 6678, 7308, 7420, 7569, 7685, 8410, 9135, 9222, 9540, 10092, 10759, 11130, 11774, 12180, 12615, 13356, 13833, 15138, 15370, 16695, 16820, 17661, 18270, 18444, 21518, 22260, 23055, 23548, 25230, 27666, 29435, 30276, 30740, 32277, 33390, 35322, 36540, 37845, 43036, 44573, 46110, 50460, 52983, 53795, 55332, 58870, 64554, 66780, 69165, 70644, 75690, 88305, 89146, 92220, 96831, 105966, 107590, 117740, 129108, 133719, 138330, 151380, 161385, 176610, 178292, 193662, 211932, 215180, 222865, 264915, 267438, 276660, 312011, 322770, 353220, 387324, 401157, 445730, 484155, 529830, 534876, 624022, 645540, 668595, 802314, 891460, 936033, 968310, 1059660, 1248044, 1337190, 1560055, 1604628, 1872066, 1936620, 2005785, 2674380, 2808099, 3120110, 3744132, 4011570, 4680165, 5616198, 6240220, 8023140, 9360330, 11232396, 14040495, 18720660, 28080990, 56161980]

約数ペア:

[(1, 56161980), (2, 28080990), (3, 18720660), (4, 14040495), (5, 11232396), (6, 9360330), (7, 8023140), (9, 6240220), (10, 5616198), (12, 4680165), (14, 4011570), (15, 3744132), (18, 3120110), (20, 2808099), (21, 2674380), (28, 2005785), (29, 1936620), (30, 1872066), (35, 1604628), (36, 1560055), (42, 1337190), (45, 1248044), (53, 1059660), (58, 968310), (60, 936033), (63, 891460), (70, 802314), (84, 668595), (87, 645540), (90, 624022), (105, 534876), (106, 529830), (116, 484155), (126, 445730), (140, 401157), (145, 387324), (159, 353220), (174, 322770), (180, 312011), (203, 276660), (210, 267438), (212, 264915), (252, 222865), (261, 215180), (265, 211932), (290, 193662), (315, 178292), (318, 176610), (348, 161385), (371, 151380), (406, 138330), (420, 133719), (435, 129108), (477, 117740), (522, 107590), (530, 105966), (580, 96831), (609, 92220), (630, 89146), (636, 88305), (742, 75690), (795, 70644), (812, 69165), (841, 66780), (870, 64554), (954, 58870), (1015, 55332), (1044, 53795), (1060, 52983), (1113, 50460), (1218, 46110), (1260, 44573), (1305, 43036), (1484, 37845), (1537, 36540), (1590, 35322), (1682, 33390), (1740, 32277), (1827, 30740), (1855, 30276), (1908, 29435), (2030, 27666), (2226, 25230), (2385, 23548), (2436, 23055), (2523, 22260), (2610, 21518), (3045, 18444), (3074, 18270), (3180, 17661), (3339, 16820), (3364, 16695), (3654, 15370), (3710, 15138), (4060, 13833), (4205, 13356), (4452, 12615), (4611, 12180), (4770, 11774), (5046, 11130), (5220, 10759), (5565, 10092), (5887, 9540), (6090, 9222), (6148, 9135), (6678, 8410), (7308, 7685), (7420, 7569)]