81226740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 193110540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 53, 60, 70, 82, 84, 89, 105, 106, 123, 140, 159, 164, 178, 205, 210, 212, 246, 265, 267, 287, 318, 356, 371, 410, 420, 445, 492, 530, 534, 574, 615, 623, 636, 742, 795, 820, 861, 890, 1060, 1068, 1113, 1148, 1230, 1246, 1335, 1435, 1484, 1590, 1722, 1780, 1855, 1869, 2173, 2226, 2460, 2492, 2670, 2870, 3115, 3180, 3444, 3649, 3710, 3738, 4305, 4346, 4452, 4717, 5340, 5565, 5740, 6230, 6519, 7298, 7420, 7476, 8610, 8692, 9345, 9434, 10865, 10947, 11130, 12460, 13038, 14151, 14596, 15211, 17220, 18245, 18690, 18868, 21730, 21894, 22260, 23585, 25543, 26076, 28302, 30422, 32595, 33019, 36490, 37380, 43460, 43788, 45633, 47170, 51086, 54735, 56604, 60844, 65190, 66038, 70755, 72980, 76055, 76629, 91266, 94340, 99057, 102172, 109470, 127715, 130380, 132076, 141510, 152110, 153258, 165095, 182532, 193397, 198114, 218940, 228165, 255430, 283020, 304220, 306516, 330190, 383145, 386794, 396228, 456330, 495285, 510860, 580191, 660380, 766290, 773588, 912660, 966985, 990570, 1160382, 1353779, 1532580, 1933970, 1981140, 2320764, 2707558, 2900955, 3867940, 4061337, 5415116, 5801910, 6768895, 8122674, 11603820, 13537790, 16245348, 20306685, 27075580, 40613370, 81226740]

約数ペア:

[(1, 81226740), (2, 40613370), (3, 27075580), (4, 20306685), (5, 16245348), (6, 13537790), (7, 11603820), (10, 8122674), (12, 6768895), (14, 5801910), (15, 5415116), (20, 4061337), (21, 3867940), (28, 2900955), (30, 2707558), (35, 2320764), (41, 1981140), (42, 1933970), (53, 1532580), (60, 1353779), (70, 1160382), (82, 990570), (84, 966985), (89, 912660), (105, 773588), (106, 766290), (123, 660380), (140, 580191), (159, 510860), (164, 495285), (178, 456330), (205, 396228), (210, 386794), (212, 383145), (246, 330190), (265, 306516), (267, 304220), (287, 283020), (318, 255430), (356, 228165), (371, 218940), (410, 198114), (420, 193397), (445, 182532), (492, 165095), (530, 153258), (534, 152110), (574, 141510), (615, 132076), (623, 130380), (636, 127715), (742, 109470), (795, 102172), (820, 99057), (861, 94340), (890, 91266), (1060, 76629), (1068, 76055), (1113, 72980), (1148, 70755), (1230, 66038), (1246, 65190), (1335, 60844), (1435, 56604), (1484, 54735), (1590, 51086), (1722, 47170), (1780, 45633), (1855, 43788), (1869, 43460), (2173, 37380), (2226, 36490), (2460, 33019), (2492, 32595), (2670, 30422), (2870, 28302), (3115, 26076), (3180, 25543), (3444, 23585), (3649, 22260), (3710, 21894), (3738, 21730), (4305, 18868), (4346, 18690), (4452, 18245), (4717, 17220), (5340, 15211), (5565, 14596), (5740, 14151), (6230, 13038), (6519, 12460), (7298, 11130), (7420, 10947), (7476, 10865), (8610, 9434), (8692, 9345)]