261644370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16363}}^1$

素因数の和:16427

約数の個数: 64

約数和(自身を含む): 692786304

約数和(自身を除く): 431141934

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1599, 2665, 3198, 5330, 7995, 15990, 16363, 32726, 49089, 81815, 98178, 163630, 212719, 245445, 425438, 490890, 638157, 670883, 1063595, 1276314, 1341766, 2012649, 2127190, 3190785, 3354415, 4025298, 6381570, 6708830, 8721479, 10063245, 17442958, 20126490, 26164437, 43607395, 52328874, 87214790, 130822185, 261644370]

約数ペア:

[(1, 261644370), (2, 130822185), (3, 87214790), (5, 52328874), (6, 43607395), (10, 26164437), (13, 20126490), (15, 17442958), (26, 10063245), (30, 8721479), (39, 6708830), (41, 6381570), (65, 4025298), (78, 3354415), (82, 3190785), (123, 2127190), (130, 2012649), (195, 1341766), (205, 1276314), (246, 1063595), (390, 670883), (410, 638157), (533, 490890), (615, 425438), (1066, 245445), (1230, 212719), (1599, 163630), (2665, 98178), (3198, 81815), (5330, 49089), (7995, 32726), (15990, 16363)]