28228860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 95528160

約数和(自身を除く): 67299300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 53, 55, 60, 66, 90, 99, 106, 110, 132, 159, 165, 180, 198, 212, 220, 265, 269, 318, 330, 396, 477, 495, 530, 538, 583, 636, 660, 795, 807, 954, 990, 1060, 1076, 1166, 1345, 1590, 1614, 1749, 1908, 1980, 2332, 2385, 2421, 2690, 2915, 2959, 3180, 3228, 3498, 4035, 4770, 4842, 5247, 5380, 5830, 5918, 6996, 8070, 8745, 8877, 9540, 9684, 10494, 11660, 11836, 12105, 14257, 14795, 16140, 17490, 17754, 20988, 24210, 26235, 26631, 28514, 29590, 34980, 35508, 42771, 44385, 48420, 52470, 53262, 57028, 59180, 71285, 85542, 88770, 104940, 106524, 128313, 133155, 142570, 156827, 171084, 177540, 213855, 256626, 266310, 285140, 313654, 427710, 470481, 513252, 532620, 627308, 641565, 784135, 855420, 940962, 1283130, 1411443, 1568270, 1881924, 2352405, 2566260, 2822886, 3136540, 4704810, 5645772, 7057215, 9409620, 14114430, 28228860]

約数ペア:

[(1, 28228860), (2, 14114430), (3, 9409620), (4, 7057215), (5, 5645772), (6, 4704810), (9, 3136540), (10, 2822886), (11, 2566260), (12, 2352405), (15, 1881924), (18, 1568270), (20, 1411443), (22, 1283130), (30, 940962), (33, 855420), (36, 784135), (44, 641565), (45, 627308), (53, 532620), (55, 513252), (60, 470481), (66, 427710), (90, 313654), (99, 285140), (106, 266310), (110, 256626), (132, 213855), (159, 177540), (165, 171084), (180, 156827), (198, 142570), (212, 133155), (220, 128313), (265, 106524), (269, 104940), (318, 88770), (330, 85542), (396, 71285), (477, 59180), (495, 57028), (530, 53262), (538, 52470), (583, 48420), (636, 44385), (660, 42771), (795, 35508), (807, 34980), (954, 29590), (990, 28514), (1060, 26631), (1076, 26235), (1166, 24210), (1345, 20988), (1590, 17754), (1614, 17490), (1749, 16140), (1908, 14795), (1980, 14257), (2332, 12105), (2385, 11836), (2421, 11660), (2690, 10494), (2915, 9684), (2959, 9540), (3180, 8877), (3228, 8745), (3498, 8070), (4035, 6996), (4770, 5918), (4842, 5830), (5247, 5380)]