208931520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31091}}^1$

素因数の和:31118

約数の個数: 112

約数和(自身を含む): 758147328

約数和(自身を除く): 549215808

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, 31091, 62182, 93273, 124364, 155455, 186546, 217637, 248728, 310910, 373092, 435274, 466365, 497456, 621820, 652911, 746184, 870548, 932730, 994912, 1088185, 1243640, 1305822, 1492368, 1741096, 1865460, 1989824, 2176370, 2487280, 2611644, 2984736, 3264555, 3482192, 3730920, 4352740, 4974560, 5223288, 5969472, 6529110, 6964384, 7461840, 8705480, 9949120, 10446576, 13058220, 13928768, 14923680, 17410960, 20893152, 26116440, 29847360, 34821920, 41786304, 52232880, 69643840, 104465760, 208931520]

約数ペア:

[(1, 208931520), (2, 104465760), (3, 69643840), (4, 52232880), (5, 41786304), (6, 34821920), (7, 29847360), (8, 26116440), (10, 20893152), (12, 17410960), (14, 14923680), (15, 13928768), (16, 13058220), (20, 10446576), (21, 9949120), (24, 8705480), (28, 7461840), (30, 6964384), (32, 6529110), (35, 5969472), (40, 5223288), (42, 4974560), (48, 4352740), (56, 3730920), (60, 3482192), (64, 3264555), (70, 2984736), (80, 2611644), (84, 2487280), (96, 2176370), (105, 1989824), (112, 1865460), (120, 1741096), (140, 1492368), (160, 1305822), (168, 1243640), (192, 1088185), (210, 994912), (224, 932730), (240, 870548), (280, 746184), (320, 652911), (336, 621820), (420, 497456), (448, 466365), (480, 435274), (560, 373092), (672, 310910), (840, 248728), (960, 217637), (1120, 186546), (1344, 155455), (1680, 124364), (2240, 93273), (3360, 62182), (6720, 31091)]