2181560640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{324637}}^1$

素因数の和:324664

約数の個数: 112

約数和(自身を含む): 7915972992

約数和(自身を除く): 5734412352

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, 324637, 649274, 973911, 1298548, 1623185, 1947822, 2272459, 2597096, 3246370, 3895644, 4544918, 4869555, 5194192, 6492740, 6817377, 7791288, 9089836, 9739110, 10388384, 11362295, 12985480, 13634754, 15582576, 18179672, 19478220, 20776768, 22724590, 25970960, 27269508, 31165152, 34086885, 36359344, 38956440, 45449180, 51941920, 54539016, 62330304, 68173770, 72718688, 77912880, 90898360, 103883840, 109078032, 136347540, 145437376, 155825760, 181796720, 218156064, 272695080, 311651520, 363593440, 436312128, 545390160, 727186880, 1090780320, 2181560640]

約数ペア:

[(1, 2181560640), (2, 1090780320), (3, 727186880), (4, 545390160), (5, 436312128), (6, 363593440), (7, 311651520), (8, 272695080), (10, 218156064), (12, 181796720), (14, 155825760), (15, 145437376), (16, 136347540), (20, 109078032), (21, 103883840), (24, 90898360), (28, 77912880), (30, 72718688), (32, 68173770), (35, 62330304), (40, 54539016), (42, 51941920), (48, 45449180), (56, 38956440), (60, 36359344), (64, 34086885), (70, 31165152), (80, 27269508), (84, 25970960), (96, 22724590), (105, 20776768), (112, 19478220), (120, 18179672), (140, 15582576), (160, 13634754), (168, 12985480), (192, 11362295), (210, 10388384), (224, 9739110), (240, 9089836), (280, 7791288), (320, 6817377), (336, 6492740), (420, 5194192), (448, 4869555), (480, 4544918), (560, 3895644), (672, 3246370), (840, 2597096), (960, 2272459), (1120, 1947822), (1344, 1623185), (1680, 1298548), (2240, 973911), (3360, 649274), (6720, 324637)]