2780859780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{14561}}^1$

素因数の和:15637

約数の個数: 72

約数和(自身を含む): 8443804824

約数和(自身を除く): 5662945044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1061, 2122, 3183, 4244, 5305, 6366, 9549, 10610, 12732, 14561, 15915, 19098, 21220, 29122, 31830, 38196, 43683, 47745, 58244, 63660, 72805, 87366, 95490, 131049, 145610, 174732, 190980, 218415, 262098, 291220, 436830, 524196, 655245, 873660, 1310490, 2620980, 15449221, 30898442, 46347663, 61796884, 77246105, 92695326, 139042989, 154492210, 185390652, 231738315, 278085978, 308984420, 463476630, 556171956, 695214945, 926953260, 1390429890, 2780859780]

約数ペア:

[(1, 2780859780), (2, 1390429890), (3, 926953260), (4, 695214945), (5, 556171956), (6, 463476630), (9, 308984420), (10, 278085978), (12, 231738315), (15, 185390652), (18, 154492210), (20, 139042989), (30, 92695326), (36, 77246105), (45, 61796884), (60, 46347663), (90, 30898442), (180, 15449221), (1061, 2620980), (2122, 1310490), (3183, 873660), (4244, 655245), (5305, 524196), (6366, 436830), (9549, 291220), (10610, 262098), (12732, 218415), (14561, 190980), (15915, 174732), (19098, 145610), (21220, 131049), (29122, 95490), (31830, 87366), (38196, 72805), (43683, 63660), (47745, 58244)]