181461420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1823}}^1$

素因数の和:1924

約数の個数: 144

約数和(自身を含む): 637378560

約数和(自身を除く): 455917140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 1823, 2212, 2370, 2765, 2844, 3318, 3555, 3646, 4740, 4977, 5469, 5530, 6636, 7110, 7292, 8295, 9115, 9954, 10938, 11060, 12761, 14220, 16407, 16590, 18230, 19908, 21876, 24885, 25522, 27345, 32814, 33180, 36460, 38283, 49770, 51044, 54690, 63805, 65628, 76566, 82035, 99540, 109380, 114849, 127610, 144017, 153132, 164070, 191415, 229698, 255220, 288034, 328140, 382830, 432051, 459396, 574245, 576068, 720085, 765660, 864102, 1008119, 1148490, 1296153, 1440170, 1728204, 2016238, 2160255, 2296980, 2592306, 2880340, 3024357, 4032476, 4320510, 5040595, 5184612, 6048714, 6480765, 8641020, 9073071, 10081190, 12097428, 12961530, 15121785, 18146142, 20162380, 25923060, 30243570, 36292284, 45365355, 60487140, 90730710, 181461420]

約数ペア:

[(1, 181461420), (2, 90730710), (3, 60487140), (4, 45365355), (5, 36292284), (6, 30243570), (7, 25923060), (9, 20162380), (10, 18146142), (12, 15121785), (14, 12961530), (15, 12097428), (18, 10081190), (20, 9073071), (21, 8641020), (28, 6480765), (30, 6048714), (35, 5184612), (36, 5040595), (42, 4320510), (45, 4032476), (60, 3024357), (63, 2880340), (70, 2592306), (79, 2296980), (84, 2160255), (90, 2016238), (105, 1728204), (126, 1440170), (140, 1296153), (158, 1148490), (180, 1008119), (210, 864102), (237, 765660), (252, 720085), (315, 576068), (316, 574245), (395, 459396), (420, 432051), (474, 382830), (553, 328140), (630, 288034), (711, 255220), (790, 229698), (948, 191415), (1106, 164070), (1185, 153132), (1260, 144017), (1422, 127610), (1580, 114849), (1659, 109380), (1823, 99540), (2212, 82035), (2370, 76566), (2765, 65628), (2844, 63805), (3318, 54690), (3555, 51044), (3646, 49770), (4740, 38283), (4977, 36460), (5469, 33180), (5530, 32814), (6636, 27345), (7110, 25522), (7292, 24885), (8295, 21876), (9115, 19908), (9954, 18230), (10938, 16590), (11060, 16407), (12761, 14220)]