17963820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 45721620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 269, 315, 318, 371, 420, 477, 530, 538, 630, 636, 742, 795, 807, 954, 1060, 1076, 1113, 1260, 1345, 1484, 1590, 1614, 1855, 1883, 1908, 2226, 2385, 2421, 2690, 3180, 3228, 3339, 3710, 3766, 4035, 4452, 4770, 4842, 5380, 5565, 5649, 6678, 7420, 7532, 8070, 9415, 9540, 9684, 11130, 11298, 12105, 13356, 14257, 16140, 16695, 16947, 18830, 22260, 22596, 24210, 28245, 28514, 33390, 33894, 37660, 42771, 48420, 56490, 57028, 66780, 67788, 71285, 84735, 85542, 99799, 112980, 128313, 142570, 169470, 171084, 199598, 213855, 256626, 285140, 299397, 338940, 399196, 427710, 498995, 513252, 598794, 641565, 855420, 898191, 997990, 1197588, 1283130, 1496985, 1796382, 1995980, 2566260, 2993970, 3592764, 4490955, 5987940, 8981910, 17963820]

約数ペア:

[(1, 17963820), (2, 8981910), (3, 5987940), (4, 4490955), (5, 3592764), (6, 2993970), (7, 2566260), (9, 1995980), (10, 1796382), (12, 1496985), (14, 1283130), (15, 1197588), (18, 997990), (20, 898191), (21, 855420), (28, 641565), (30, 598794), (35, 513252), (36, 498995), (42, 427710), (45, 399196), (53, 338940), (60, 299397), (63, 285140), (70, 256626), (84, 213855), (90, 199598), (105, 171084), (106, 169470), (126, 142570), (140, 128313), (159, 112980), (180, 99799), (210, 85542), (212, 84735), (252, 71285), (265, 67788), (269, 66780), (315, 57028), (318, 56490), (371, 48420), (420, 42771), (477, 37660), (530, 33894), (538, 33390), (630, 28514), (636, 28245), (742, 24210), (795, 22596), (807, 22260), (954, 18830), (1060, 16947), (1076, 16695), (1113, 16140), (1260, 14257), (1345, 13356), (1484, 12105), (1590, 11298), (1614, 11130), (1855, 9684), (1883, 9540), (1908, 9415), (2226, 8070), (2385, 7532), (2421, 7420), (2690, 6678), (3180, 5649), (3228, 5565), (3339, 5380), (3710, 4842), (3766, 4770), (4035, 4452)]