217331520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{32341}}^1$

素因数の和:32368

約数の個数: 112

約数和(自身を含む): 788627328

約数和(自身を除く): 571295808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 32341, 64682, 97023, 129364, 161705, 194046, 226387, 258728, 323410, 388092, 452774, 485115, 517456, 646820, 679161, 776184, 905548, 970230, 1034912, 1131935, 1293640, 1358322, 1552368, 1811096, 1940460, 2069824, 2263870, 2587280, 2716644, 3104736, 3395805, 3622192, 3880920, 4527740, 5174560, 5433288, 6209472, 6791610, 7244384, 7761840, 9055480, 10349120, 10866576, 13583220, 14488768, 15523680, 18110960, 21733152, 27166440, 31047360, 36221920, 43466304, 54332880, 72443840, 108665760, 217331520]

約数ペア:

[(1, 217331520), (2, 108665760), (3, 72443840), (4, 54332880), (5, 43466304), (6, 36221920), (7, 31047360), (8, 27166440), (10, 21733152), (12, 18110960), (14, 15523680), (15, 14488768), (16, 13583220), (20, 10866576), (21, 10349120), (24, 9055480), (28, 7761840), (30, 7244384), (32, 6791610), (35, 6209472), (40, 5433288), (42, 5174560), (48, 4527740), (56, 3880920), (60, 3622192), (64, 3395805), (70, 3104736), (80, 2716644), (84, 2587280), (96, 2263870), (105, 2069824), (112, 1940460), (120, 1811096), (140, 1552368), (160, 1358322), (168, 1293640), (192, 1131935), (210, 1034912), (224, 970230), (240, 905548), (280, 776184), (320, 679161), (336, 646820), (420, 517456), (448, 485115), (480, 452774), (560, 388092), (672, 323410), (840, 258728), (960, 226387), (1120, 194046), (1344, 161705), (1680, 129364), (2240, 97023), (3360, 64682), (6720, 32341)]