261799020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{69259}}^1$

素因数の和:69284

約数の個数: 96

約数和(自身を含む): 930854400

約数和(自身を除く): 669055380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 69259, 138518, 207777, 277036, 346295, 415554, 484813, 623331, 692590, 831108, 969626, 1038885, 1246662, 1385180, 1454439, 1869993, 1939252, 2077770, 2424065, 2493324, 2908878, 3116655, 3739986, 4155540, 4363317, 4848130, 5817756, 6233310, 7272195, 7479972, 8726634, 9349965, 9696260, 12466620, 13089951, 14544390, 17453268, 18699930, 21816585, 26179902, 29088780, 37399860, 43633170, 52359804, 65449755, 87266340, 130899510, 261799020]

約数ペア:

[(1, 261799020), (2, 130899510), (3, 87266340), (4, 65449755), (5, 52359804), (6, 43633170), (7, 37399860), (9, 29088780), (10, 26179902), (12, 21816585), (14, 18699930), (15, 17453268), (18, 14544390), (20, 13089951), (21, 12466620), (27, 9696260), (28, 9349965), (30, 8726634), (35, 7479972), (36, 7272195), (42, 6233310), (45, 5817756), (54, 4848130), (60, 4363317), (63, 4155540), (70, 3739986), (84, 3116655), (90, 2908878), (105, 2493324), (108, 2424065), (126, 2077770), (135, 1939252), (140, 1869993), (180, 1454439), (189, 1385180), (210, 1246662), (252, 1038885), (270, 969626), (315, 831108), (378, 692590), (420, 623331), (540, 484813), (630, 415554), (756, 346295), (945, 277036), (1260, 207777), (1890, 138518), (3780, 69259)]