7421220

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{509}}^1$

素因数の和:536

約数の個数: 84

約数和(自身を含む): 23412060

約数和(自身を除く): 15990840

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, 243, 270, 324, 405, 486, 509, 540, 729, 810, 972, 1018, 1215, 1458, 1527, 1620, 2036, 2430, 2545, 2916, 3054, 3645, 4581, 4860, 5090, 6108, 7290, 7635, 9162, 10180, 13743, 14580, 15270, 18324, 22905, 27486, 30540, 41229, 45810, 54972, 68715, 82458, 91620, 123687, 137430, 164916, 206145, 247374, 274860, 371061, 412290, 494748, 618435, 742122, 824580, 1236870, 1484244, 1855305, 2473740, 3710610, 7421220]

約数ペア:

[(1, 7421220), (2, 3710610), (3, 2473740), (4, 1855305), (5, 1484244), (6, 1236870), (9, 824580), (10, 742122), (12, 618435), (15, 494748), (18, 412290), (20, 371061), (27, 274860), (30, 247374), (36, 206145), (45, 164916), (54, 137430), (60, 123687), (81, 91620), (90, 82458), (108, 68715), (135, 54972), (162, 45810), (180, 41229), (243, 30540), (270, 27486), (324, 22905), (405, 18324), (486, 15270), (509, 14580), (540, 13743), (729, 10180), (810, 9162), (972, 7635), (1018, 7290), (1215, 6108), (1458, 5090), (1527, 4860), (1620, 4581), (2036, 3645), (2430, 3054), (2545, 2916)]