20180781315

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1\times {\mathrm{6551}}^1$

素因数の和:7785

約数の個数: 64

約数和(自身を含む): 37802419200

約数和(自身を除く): 17621637885

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 1201, 2565, 3603, 6005, 6551, 10809, 18015, 19653, 22819, 32427, 32755, 54045, 58959, 68457, 98265, 114095, 124469, 162135, 176877, 205371, 294795, 342285, 373407, 616113, 622345, 884385, 1026855, 1120221, 1867035, 3080565, 3360663, 5601105, 7867751, 16803315, 23603253, 39338755, 70809759, 118016265, 149487269, 212429277, 354048795, 448461807, 747436345, 1062146385, 1345385421, 2242309035, 4036156263, 6726927105, 20180781315]

約数ペア:

[(1, 20180781315), (3, 6726927105), (5, 4036156263), (9, 2242309035), (15, 1345385421), (19, 1062146385), (27, 747436345), (45, 448461807), (57, 354048795), (95, 212429277), (135, 149487269), (171, 118016265), (285, 70809759), (513, 39338755), (855, 23603253), (1201, 16803315), (2565, 7867751), (3603, 5601105), (6005, 3360663), (6551, 3080565), (10809, 1867035), (18015, 1120221), (19653, 1026855), (22819, 884385), (32427, 622345), (32755, 616113), (54045, 373407), (58959, 342285), (68457, 294795), (98265, 205371), (114095, 176877), (124469, 162135)]