1320223590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{698531}}^1$

素因数の和:698554

約数の個数: 64

約数和(自身を含む): 4023544320

約数和(自身を除く): 2703320730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 698531, 1397062, 2095593, 3492655, 4191186, 4889717, 6286779, 6985310, 9779434, 10477965, 12573558, 14669151, 18860337, 20955930, 24448585, 29338302, 31433895, 37720674, 44007453, 48897170, 62867790, 73345755, 88014906, 94301685, 132022359, 146691510, 188603370, 220037265, 264044718, 440074530, 660111795, 1320223590]

約数ペア:

[(1, 1320223590), (2, 660111795), (3, 440074530), (5, 264044718), (6, 220037265), (7, 188603370), (9, 146691510), (10, 132022359), (14, 94301685), (15, 88014906), (18, 73345755), (21, 62867790), (27, 48897170), (30, 44007453), (35, 37720674), (42, 31433895), (45, 29338302), (54, 24448585), (63, 20955930), (70, 18860337), (90, 14669151), (105, 12573558), (126, 10477965), (135, 9779434), (189, 6985310), (210, 6286779), (270, 4889717), (315, 4191186), (378, 3492655), (630, 2095593), (945, 1397062), (1890, 698531)]