30696540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 102386592

約数和(自身を除く): 71690052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 197, 210, 212, 245, 265, 294, 318, 371, 394, 420, 490, 530, 588, 591, 636, 735, 742, 788, 795, 980, 985, 1060, 1113, 1182, 1379, 1470, 1484, 1590, 1855, 1970, 2226, 2364, 2597, 2758, 2940, 2955, 3180, 3710, 3940, 4137, 4452, 5194, 5516, 5565, 5910, 6895, 7420, 7791, 8274, 9653, 10388, 10441, 11130, 11820, 12985, 13790, 15582, 16548, 19306, 20685, 20882, 22260, 25970, 27580, 28959, 31164, 31323, 38612, 38955, 41370, 41764, 48265, 51940, 52205, 57918, 62646, 73087, 77910, 82740, 96530, 104410, 115836, 125292, 144795, 146174, 155820, 156615, 193060, 208820, 219261, 289590, 292348, 313230, 365435, 438522, 511609, 579180, 626460, 730870, 877044, 1023218, 1096305, 1461740, 1534827, 2046436, 2192610, 2558045, 3069654, 4385220, 5116090, 6139308, 7674135, 10232180, 15348270, 30696540]

約数ペア:

[(1, 30696540), (2, 15348270), (3, 10232180), (4, 7674135), (5, 6139308), (6, 5116090), (7, 4385220), (10, 3069654), (12, 2558045), (14, 2192610), (15, 2046436), (20, 1534827), (21, 1461740), (28, 1096305), (30, 1023218), (35, 877044), (42, 730870), (49, 626460), (53, 579180), (60, 511609), (70, 438522), (84, 365435), (98, 313230), (105, 292348), (106, 289590), (140, 219261), (147, 208820), (159, 193060), (196, 156615), (197, 155820), (210, 146174), (212, 144795), (245, 125292), (265, 115836), (294, 104410), (318, 96530), (371, 82740), (394, 77910), (420, 73087), (490, 62646), (530, 57918), (588, 52205), (591, 51940), (636, 48265), (735, 41764), (742, 41370), (788, 38955), (795, 38612), (980, 31323), (985, 31164), (1060, 28959), (1113, 27580), (1182, 25970), (1379, 22260), (1470, 20882), (1484, 20685), (1590, 19306), (1855, 16548), (1970, 15582), (2226, 13790), (2364, 12985), (2597, 11820), (2758, 11130), (2940, 10441), (2955, 10388), (3180, 9653), (3710, 8274), (3940, 7791), (4137, 7420), (4452, 6895), (5194, 5910), (5516, 5565)]