1282105880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{739}}^1\times {\mathrm{3943}}^1$

素因数の和:4704

約数の個数: 64

約数和(自身を含む): 3152044800

約数和(自身を除く): 1869938920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 739, 1478, 2956, 3695, 3943, 5912, 7390, 7886, 8129, 14780, 15772, 16258, 19715, 29560, 31544, 32516, 39430, 40645, 43373, 65032, 78860, 81290, 86746, 157720, 162580, 173492, 216865, 325160, 346984, 433730, 867460, 1734920, 2913877, 5827754, 11655508, 14569385, 23311016, 29138770, 32052647, 58277540, 64105294, 116555080, 128210588, 160263235, 256421176, 320526470, 641052940, 1282105880]

約数ペア:

[(1, 1282105880), (2, 641052940), (4, 320526470), (5, 256421176), (8, 160263235), (10, 128210588), (11, 116555080), (20, 64105294), (22, 58277540), (40, 32052647), (44, 29138770), (55, 23311016), (88, 14569385), (110, 11655508), (220, 5827754), (440, 2913877), (739, 1734920), (1478, 867460), (2956, 433730), (3695, 346984), (3943, 325160), (5912, 216865), (7390, 173492), (7886, 162580), (8129, 157720), (14780, 86746), (15772, 81290), (16258, 78860), (19715, 65032), (29560, 43373), (31544, 40645), (32516, 39430)]