16857540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:826

約数の個数: 144

約数和(自身を含む): 61955712

約数和(自身を除く): 45098172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 787, 1020, 1071, 1190, 1260, 1428, 1530, 1574, 1785, 2142, 2361, 2380, 3060, 3148, 3570, 3935, 4284, 4722, 5355, 5509, 7083, 7140, 7870, 9444, 10710, 11018, 11805, 13379, 14166, 15740, 16527, 21420, 22036, 23610, 26758, 27545, 28332, 33054, 35415, 40137, 47220, 49581, 53516, 55090, 66108, 66895, 70830, 80274, 82635, 93653, 99162, 110180, 120411, 133790, 141660, 160548, 165270, 187306, 198324, 200685, 240822, 247905, 267580, 280959, 330540, 374612, 401370, 468265, 481644, 495810, 561918, 602055, 802740, 842877, 936530, 991620, 1123836, 1204110, 1404795, 1685754, 1873060, 2408220, 2809590, 3371508, 4214385, 5619180, 8428770, 16857540]

約数ペア:

[(1, 16857540), (2, 8428770), (3, 5619180), (4, 4214385), (5, 3371508), (6, 2809590), (7, 2408220), (9, 1873060), (10, 1685754), (12, 1404795), (14, 1204110), (15, 1123836), (17, 991620), (18, 936530), (20, 842877), (21, 802740), (28, 602055), (30, 561918), (34, 495810), (35, 481644), (36, 468265), (42, 401370), (45, 374612), (51, 330540), (60, 280959), (63, 267580), (68, 247905), (70, 240822), (84, 200685), (85, 198324), (90, 187306), (102, 165270), (105, 160548), (119, 141660), (126, 133790), (140, 120411), (153, 110180), (170, 99162), (180, 93653), (204, 82635), (210, 80274), (238, 70830), (252, 66895), (255, 66108), (306, 55090), (315, 53516), (340, 49581), (357, 47220), (420, 40137), (476, 35415), (510, 33054), (595, 28332), (612, 27545), (630, 26758), (714, 23610), (765, 22036), (787, 21420), (1020, 16527), (1071, 15740), (1190, 14166), (1260, 13379), (1428, 11805), (1530, 11018), (1574, 10710), (1785, 9444), (2142, 7870), (2361, 7140), (2380, 7083), (3060, 5509), (3148, 5355), (3570, 4722), (3935, 4284)]