218564640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21683}}^1$

素因数の和:21711

約数の個数: 144

約数和(自身を含む): 852441408

約数和(自身を除く): 633876768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21683, 43366, 65049, 86732, 108415, 130098, 151781, 173464, 195147, 216830, 260196, 303562, 325245, 346928, 390294, 433660, 455343, 520392, 607124, 650490, 693856, 758905, 780588, 867320, 910686, 975735, 1040784, 1214248, 1300980, 1366029, 1517810, 1561176, 1734640, 1821372, 1951470, 2081568, 2276715, 2428496, 2601960, 2732058, 3035620, 3122352, 3469280, 3642744, 3902940, 4553430, 4856992, 5203920, 5464116, 6071240, 6244704, 6830145, 7285488, 7805880, 9106860, 10407840, 10928232, 12142480, 13660290, 14570976, 15611760, 18213720, 21856464, 24284960, 27320580, 31223520, 36427440, 43712928, 54641160, 72854880, 109282320, 218564640]

約数ペア:

[(1, 218564640), (2, 109282320), (3, 72854880), (4, 54641160), (5, 43712928), (6, 36427440), (7, 31223520), (8, 27320580), (9, 24284960), (10, 21856464), (12, 18213720), (14, 15611760), (15, 14570976), (16, 13660290), (18, 12142480), (20, 10928232), (21, 10407840), (24, 9106860), (28, 7805880), (30, 7285488), (32, 6830145), (35, 6244704), (36, 6071240), (40, 5464116), (42, 5203920), (45, 4856992), (48, 4553430), (56, 3902940), (60, 3642744), (63, 3469280), (70, 3122352), (72, 3035620), (80, 2732058), (84, 2601960), (90, 2428496), (96, 2276715), (105, 2081568), (112, 1951470), (120, 1821372), (126, 1734640), (140, 1561176), (144, 1517810), (160, 1366029), (168, 1300980), (180, 1214248), (210, 1040784), (224, 975735), (240, 910686), (252, 867320), (280, 780588), (288, 758905), (315, 693856), (336, 650490), (360, 607124), (420, 520392), (480, 455343), (504, 433660), (560, 390294), (630, 346928), (672, 325245), (720, 303562), (840, 260196), (1008, 216830), (1120, 195147), (1260, 173464), (1440, 151781), (1680, 130098), (2016, 108415), (2520, 86732), (3360, 65049), (5040, 43366), (10080, 21683)]