1649291220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1009}}^2$

素因数の和:2039

約数の個数: 90

約数和(自身を含む): 5179020462

約数和(自身を除く): 3529729242

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1009, 1620, 2018, 3027, 4036, 5045, 6054, 9081, 10090, 12108, 15135, 18162, 20180, 27243, 30270, 36324, 45405, 54486, 60540, 81729, 90810, 108972, 136215, 163458, 181620, 272430, 326916, 408645, 544860, 817290, 1018081, 1634580, 2036162, 3054243, 4072324, 5090405, 6108486, 9162729, 10180810, 12216972, 15271215, 18325458, 20361620, 27488187, 30542430, 36650916, 45813645, 54976374, 61084860, 82464561, 91627290, 109952748, 137440935, 164929122, 183254580, 274881870, 329858244, 412322805, 549763740, 824645610, 1649291220]

約数ペア:

[(1, 1649291220), (2, 824645610), (3, 549763740), (4, 412322805), (5, 329858244), (6, 274881870), (9, 183254580), (10, 164929122), (12, 137440935), (15, 109952748), (18, 91627290), (20, 82464561), (27, 61084860), (30, 54976374), (36, 45813645), (45, 36650916), (54, 30542430), (60, 27488187), (81, 20361620), (90, 18325458), (108, 15271215), (135, 12216972), (162, 10180810), (180, 9162729), (270, 6108486), (324, 5090405), (405, 4072324), (540, 3054243), (810, 2036162), (1009, 1634580), (1620, 1018081), (2018, 817290), (3027, 544860), (4036, 408645), (5045, 326916), (6054, 272430), (9081, 181620), (10090, 163458), (12108, 136215), (15135, 108972), (18162, 90810), (20180, 81729), (27243, 60540), (30270, 54486), (36324, 45405)]