654665760

素因数分解:

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

素因数の和:21680

約数の個数: 192

約数和(自身を含む): 2618784000

約数和(自身を除く): 1964118240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 21649, 30240, 43298, 64947, 86596, 108245, 129894, 151543, 173192, 194841, 216490, 259788, 303086, 324735, 346384, 389682, 432980, 454629, 519576, 584523, 606172, 649470, 692768, 757715, 779364, 865960, 909258, 974205, 1039152, 1169046, 1212344, 1298940, 1363887, 1515430, 1558728, 1731920, 1818516, 1948410, 2078304, 2273145, 2338092, 2424688, 2597880, 2727774, 2922615, 3030860, 3117456, 3463840, 3637032, 3896820, 4091661, 4546290, 4676184, 4849376, 5195760, 5455548, 5845230, 6061720, 6234912, 6819435, 7274064, 7793640, 8183322, 9092580, 9352368, 10391520, 10911096, 11690460, 12123440, 13638870, 14548128, 15587280, 16366644, 18185160, 18704736, 20458305, 21822192, 23380920, 24246880, 27277740, 31174560, 32733288, 36370320, 40916610, 43644384, 46761840, 54555480, 65466576, 72740640, 81833220, 93523680, 109110960, 130933152, 163666440, 218221920, 327332880, 654665760]

約数ペア:

[(1, 654665760), (2, 327332880), (3, 218221920), (4, 163666440), (5, 130933152), (6, 109110960), (7, 93523680), (8, 81833220), (9, 72740640), (10, 65466576), (12, 54555480), (14, 46761840), (15, 43644384), (16, 40916610), (18, 36370320), (20, 32733288), (21, 31174560), (24, 27277740), (27, 24246880), (28, 23380920), (30, 21822192), (32, 20458305), (35, 18704736), (36, 18185160), (40, 16366644), (42, 15587280), (45, 14548128), (48, 13638870), (54, 12123440), (56, 11690460), (60, 10911096), (63, 10391520), (70, 9352368), (72, 9092580), (80, 8183322), (84, 7793640), (90, 7274064), (96, 6819435), (105, 6234912), (108, 6061720), (112, 5845230), (120, 5455548), (126, 5195760), (135, 4849376), (140, 4676184), (144, 4546290), (160, 4091661), (168, 3896820), (180, 3637032), (189, 3463840), (210, 3117456), (216, 3030860), (224, 2922615), (240, 2727774), (252, 2597880), (270, 2424688), (280, 2338092), (288, 2273145), (315, 2078304), (336, 1948410), (360, 1818516), (378, 1731920), (420, 1558728), (432, 1515430), (480, 1363887), (504, 1298940), (540, 1212344), (560, 1169046), (630, 1039152), (672, 974205), (720, 909258), (756, 865960), (840, 779364), (864, 757715), (945, 692768), (1008, 649470), (1080, 606172), (1120, 584523), (1260, 519576), (1440, 454629), (1512, 432980), (1680, 389682), (1890, 346384), (2016, 324735), (2160, 303086), (2520, 259788), (3024, 216490), (3360, 194841), (3780, 173192), (4320, 151543), (5040, 129894), (6048, 108245), (7560, 86596), (10080, 64947), (15120, 43298), (21649, 30240)]