28045380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3863}}^1$

素因数の和:3897

約数の個数: 72

約数和(自身を含む): 86337216

約数和(自身を除く): 58291836

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 3863, 7260, 7726, 11589, 15452, 19315, 23178, 38630, 42493, 46356, 57945, 77260, 84986, 115890, 127479, 169972, 212465, 231780, 254958, 424930, 467423, 509916, 637395, 849860, 934846, 1274790, 1402269, 1869692, 2337115, 2549580, 2804538, 4674230, 5609076, 7011345, 9348460, 14022690, 28045380]

約数ペア:

[(1, 28045380), (2, 14022690), (3, 9348460), (4, 7011345), (5, 5609076), (6, 4674230), (10, 2804538), (11, 2549580), (12, 2337115), (15, 1869692), (20, 1402269), (22, 1274790), (30, 934846), (33, 849860), (44, 637395), (55, 509916), (60, 467423), (66, 424930), (110, 254958), (121, 231780), (132, 212465), (165, 169972), (220, 127479), (242, 115890), (330, 84986), (363, 77260), (484, 57945), (605, 46356), (660, 42493), (726, 38630), (1210, 23178), (1452, 19315), (1815, 15452), (2420, 11589), (3630, 7726), (3863, 7260)]