81730260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 260262912

約数和(自身を除く): 178532652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 97, 124, 151, 155, 180, 186, 194, 279, 291, 302, 310, 372, 388, 453, 465, 485, 558, 582, 604, 620, 755, 873, 906, 930, 970, 1116, 1164, 1359, 1395, 1455, 1510, 1746, 1812, 1860, 1940, 2265, 2718, 2790, 2910, 3007, 3020, 3492, 4365, 4530, 4681, 5436, 5580, 5820, 6014, 6795, 8730, 9021, 9060, 9362, 12028, 13590, 14043, 14647, 15035, 17460, 18042, 18724, 23405, 27063, 27180, 28086, 29294, 30070, 36084, 42129, 43941, 45105, 46810, 54126, 56172, 58588, 60140, 70215, 73235, 84258, 87882, 90210, 93620, 108252, 131823, 135315, 140430, 146470, 168516, 175764, 180420, 210645, 219705, 263646, 270630, 280860, 292940, 421290, 439410, 454057, 527292, 541260, 659115, 842580, 878820, 908114, 1318230, 1362171, 1816228, 2270285, 2636460, 2724342, 4086513, 4540570, 5448684, 6810855, 8173026, 9081140, 13621710, 16346052, 20432565, 27243420, 40865130, 81730260]

約数ペア:

[(1, 81730260), (2, 40865130), (3, 27243420), (4, 20432565), (5, 16346052), (6, 13621710), (9, 9081140), (10, 8173026), (12, 6810855), (15, 5448684), (18, 4540570), (20, 4086513), (30, 2724342), (31, 2636460), (36, 2270285), (45, 1816228), (60, 1362171), (62, 1318230), (90, 908114), (93, 878820), (97, 842580), (124, 659115), (151, 541260), (155, 527292), (180, 454057), (186, 439410), (194, 421290), (279, 292940), (291, 280860), (302, 270630), (310, 263646), (372, 219705), (388, 210645), (453, 180420), (465, 175764), (485, 168516), (558, 146470), (582, 140430), (604, 135315), (620, 131823), (755, 108252), (873, 93620), (906, 90210), (930, 87882), (970, 84258), (1116, 73235), (1164, 70215), (1359, 60140), (1395, 58588), (1455, 56172), (1510, 54126), (1746, 46810), (1812, 45105), (1860, 43941), (1940, 42129), (2265, 36084), (2718, 30070), (2790, 29294), (2910, 28086), (3007, 27180), (3020, 27063), (3492, 23405), (4365, 18724), (4530, 18042), (4681, 17460), (5436, 15035), (5580, 14647), (5820, 14043), (6014, 13590), (6795, 12028), (8730, 9362), (9021, 9060)]