218221920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21649}}^1$

素因数の和:21677

約数の個数: 144

約数和(自身を含む): 851104800

約数和(自身を除く): 632882880

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, 21649, 43298, 64947, 86596, 108245, 129894, 151543, 173192, 194841, 216490, 259788, 303086, 324735, 346384, 389682, 432980, 454629, 519576, 606172, 649470, 692768, 757715, 779364, 865960, 909258, 974205, 1039152, 1212344, 1298940, 1363887, 1515430, 1558728, 1731920, 1818516, 1948410, 2078304, 2273145, 2424688, 2597880, 2727774, 3030860, 3117456, 3463840, 3637032, 3896820, 4546290, 4849376, 5195760, 5455548, 6061720, 6234912, 6819435, 7274064, 7793640, 9092580, 10391520, 10911096, 12123440, 13638870, 14548128, 15587280, 18185160, 21822192, 24246880, 27277740, 31174560, 36370320, 43644384, 54555480, 72740640, 109110960, 218221920]

約数ペア:

[(1, 218221920), (2, 109110960), (3, 72740640), (4, 54555480), (5, 43644384), (6, 36370320), (7, 31174560), (8, 27277740), (9, 24246880), (10, 21822192), (12, 18185160), (14, 15587280), (15, 14548128), (16, 13638870), (18, 12123440), (20, 10911096), (21, 10391520), (24, 9092580), (28, 7793640), (30, 7274064), (32, 6819435), (35, 6234912), (36, 6061720), (40, 5455548), (42, 5195760), (45, 4849376), (48, 4546290), (56, 3896820), (60, 3637032), (63, 3463840), (70, 3117456), (72, 3030860), (80, 2727774), (84, 2597880), (90, 2424688), (96, 2273145), (105, 2078304), (112, 1948410), (120, 1818516), (126, 1731920), (140, 1558728), (144, 1515430), (160, 1363887), (168, 1298940), (180, 1212344), (210, 1039152), (224, 974205), (240, 909258), (252, 865960), (280, 779364), (288, 757715), (315, 692768), (336, 649470), (360, 606172), (420, 519576), (480, 454629), (504, 432980), (560, 389682), (630, 346384), (672, 324735), (720, 303086), (840, 259788), (1008, 216490), (1120, 194841), (1260, 173192), (1440, 151543), (1680, 129894), (2016, 108245), (2520, 86596), (3360, 64947), (5040, 43298), (10080, 21649)]