85777740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 272432160

約数和(自身を除く): 186654420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 59, 60, 82, 90, 118, 123, 164, 177, 180, 197, 205, 236, 246, 295, 354, 369, 394, 410, 492, 531, 590, 591, 615, 708, 738, 788, 820, 885, 985, 1062, 1180, 1182, 1230, 1476, 1770, 1773, 1845, 1970, 2124, 2364, 2419, 2460, 2655, 2955, 3540, 3546, 3690, 3940, 4838, 5310, 5910, 7092, 7257, 7380, 8077, 8865, 9676, 10620, 11623, 11820, 12095, 14514, 16154, 17730, 21771, 23246, 24190, 24231, 29028, 32308, 34869, 35460, 36285, 40385, 43542, 46492, 48380, 48462, 58115, 69738, 72570, 72693, 80770, 87084, 96924, 104607, 108855, 116230, 121155, 139476, 145140, 145386, 161540, 174345, 209214, 217710, 232460, 242310, 290772, 348690, 363465, 418428, 435420, 476543, 484620, 523035, 697380, 726930, 953086, 1046070, 1429629, 1453860, 1906172, 2092140, 2382715, 2859258, 4288887, 4765430, 5718516, 7148145, 8577774, 9530860, 14296290, 17155548, 21444435, 28592580, 42888870, 85777740]

約数ペア:

[(1, 85777740), (2, 42888870), (3, 28592580), (4, 21444435), (5, 17155548), (6, 14296290), (9, 9530860), (10, 8577774), (12, 7148145), (15, 5718516), (18, 4765430), (20, 4288887), (30, 2859258), (36, 2382715), (41, 2092140), (45, 1906172), (59, 1453860), (60, 1429629), (82, 1046070), (90, 953086), (118, 726930), (123, 697380), (164, 523035), (177, 484620), (180, 476543), (197, 435420), (205, 418428), (236, 363465), (246, 348690), (295, 290772), (354, 242310), (369, 232460), (394, 217710), (410, 209214), (492, 174345), (531, 161540), (590, 145386), (591, 145140), (615, 139476), (708, 121155), (738, 116230), (788, 108855), (820, 104607), (885, 96924), (985, 87084), (1062, 80770), (1180, 72693), (1182, 72570), (1230, 69738), (1476, 58115), (1770, 48462), (1773, 48380), (1845, 46492), (1970, 43542), (2124, 40385), (2364, 36285), (2419, 35460), (2460, 34869), (2655, 32308), (2955, 29028), (3540, 24231), (3546, 24190), (3690, 23246), (3940, 21771), (4838, 17730), (5310, 16154), (5910, 14514), (7092, 12095), (7257, 11820), (7380, 11623), (8077, 10620), (8865, 9676)]