21424168440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{30851}}^1$

素因数の和:31514

約数の個数: 128

約数和(自身を含む): 71527276800

約数和(自身を除く): 50103108360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 643, 1080, 1286, 1929, 2572, 3215, 3858, 5144, 5787, 6430, 7716, 9645, 11574, 12860, 15432, 17361, 19290, 23148, 25720, 28935, 30851, 34722, 38580, 46296, 57870, 61702, 69444, 77160, 86805, 92553, 115740, 123404, 138888, 154255, 173610, 185106, 231480, 246808, 277659, 308510, 347220, 370212, 462765, 555318, 617020, 694440, 740424, 832977, 925530, 1110636, 1234040, 1388295, 1665954, 1851060, 2221272, 2776590, 3331908, 3702120, 4164885, 5553180, 6663816, 8329770, 11106360, 16659540, 19837193, 33319080, 39674386, 59511579, 79348772, 99185965, 119023158, 158697544, 178534737, 198371930, 238046316, 297557895, 357069474, 396743860, 476092632, 535604211, 595115790, 714138948, 793487720, 892673685, 1071208422, 1190231580, 1428277896, 1785347370, 2142416844, 2380463160, 2678021055, 3570694740, 4284833688, 5356042110, 7141389480, 10712084220, 21424168440]

約数ペア:

[(1, 21424168440), (2, 10712084220), (3, 7141389480), (4, 5356042110), (5, 4284833688), (6, 3570694740), (8, 2678021055), (9, 2380463160), (10, 2142416844), (12, 1785347370), (15, 1428277896), (18, 1190231580), (20, 1071208422), (24, 892673685), (27, 793487720), (30, 714138948), (36, 595115790), (40, 535604211), (45, 476092632), (54, 396743860), (60, 357069474), (72, 297557895), (90, 238046316), (108, 198371930), (120, 178534737), (135, 158697544), (180, 119023158), (216, 99185965), (270, 79348772), (360, 59511579), (540, 39674386), (643, 33319080), (1080, 19837193), (1286, 16659540), (1929, 11106360), (2572, 8329770), (3215, 6663816), (3858, 5553180), (5144, 4164885), (5787, 3702120), (6430, 3331908), (7716, 2776590), (9645, 2221272), (11574, 1851060), (12860, 1665954), (15432, 1388295), (17361, 1234040), (19290, 1110636), (23148, 925530), (25720, 832977), (28935, 740424), (30851, 694440), (34722, 617020), (38580, 555318), (46296, 462765), (57870, 370212), (61702, 347220), (69444, 308510), (77160, 277659), (86805, 246808), (92553, 231480), (115740, 185106), (123404, 173610), (138888, 154255)]