381249180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 240

約数和(自身を含む): 1321076064

約数和(自身を除く): 939826884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 54, 60, 65, 78, 81, 86, 90, 108, 117, 129, 130, 135, 156, 162, 172, 180, 195, 215, 234, 258, 260, 270, 324, 351, 387, 390, 405, 421, 430, 468, 516, 540, 559, 585, 645, 702, 774, 780, 810, 842, 860, 1053, 1118, 1161, 1170, 1263, 1290, 1404, 1548, 1620, 1677, 1684, 1755, 1935, 2105, 2106, 2236, 2322, 2340, 2526, 2580, 2795, 3354, 3483, 3510, 3789, 3870, 4210, 4212, 4644, 5031, 5052, 5265, 5473, 5590, 5805, 6315, 6708, 6966, 7020, 7578, 7740, 8385, 8420, 10062, 10530, 10946, 11180, 11367, 11610, 12630, 13932, 15093, 15156, 16419, 16770, 17415, 18103, 18945, 20124, 21060, 21892, 22734, 23220, 25155, 25260, 27365, 30186, 32838, 33540, 34101, 34830, 36206, 37890, 45279, 45468, 49257, 50310, 54309, 54730, 56835, 60372, 65676, 68202, 69660, 72412, 75465, 75780, 82095, 90515, 90558, 98514, 100620, 108618, 109460, 113670, 136404, 147771, 150930, 162927, 164190, 170505, 181030, 181116, 197028, 217236, 226395, 227340, 235339, 246285, 271545, 295542, 301860, 325854, 328380, 341010, 362060, 443313, 452790, 470678, 488781, 492570, 543090, 591084, 651708, 682020, 706017, 738855, 814635, 886626, 905580, 941356, 977562, 985140, 1086180, 1176695, 1412034, 1466343, 1477710, 1629270, 1773252, 1955124, 2118051, 2216565, 2353390, 2443905, 2824068, 2932686, 2955420, 3258540, 3530085, 4236102, 4433130, 4706780, 4887810, 5865372, 6354153, 7060170, 7331715, 8472204, 8866260, 9775620, 10590255, 12708306, 14120340, 14663430, 19062459, 21180510, 25416612, 29326860, 31770765, 38124918, 42361020, 63541530, 76249836, 95312295, 127083060, 190624590, 381249180]

約数ペア:

[(1, 381249180), (2, 190624590), (3, 127083060), (4, 95312295), (5, 76249836), (6, 63541530), (9, 42361020), (10, 38124918), (12, 31770765), (13, 29326860), (15, 25416612), (18, 21180510), (20, 19062459), (26, 14663430), (27, 14120340), (30, 12708306), (36, 10590255), (39, 9775620), (43, 8866260), (45, 8472204), (52, 7331715), (54, 7060170), (60, 6354153), (65, 5865372), (78, 4887810), (81, 4706780), (86, 4433130), (90, 4236102), (108, 3530085), (117, 3258540), (129, 2955420), (130, 2932686), (135, 2824068), (156, 2443905), (162, 2353390), (172, 2216565), (180, 2118051), (195, 1955124), (215, 1773252), (234, 1629270), (258, 1477710), (260, 1466343), (270, 1412034), (324, 1176695), (351, 1086180), (387, 985140), (390, 977562), (405, 941356), (421, 905580), (430, 886626), (468, 814635), (516, 738855), (540, 706017), (559, 682020), (585, 651708), (645, 591084), (702, 543090), (774, 492570), (780, 488781), (810, 470678), (842, 452790), (860, 443313), (1053, 362060), (1118, 341010), (1161, 328380), (1170, 325854), (1263, 301860), (1290, 295542), (1404, 271545), (1548, 246285), (1620, 235339), (1677, 227340), (1684, 226395), (1755, 217236), (1935, 197028), (2105, 181116), (2106, 181030), (2236, 170505), (2322, 164190), (2340, 162927), (2526, 150930), (2580, 147771), (2795, 136404), (3354, 113670), (3483, 109460), (3510, 108618), (3789, 100620), (3870, 98514), (4210, 90558), (4212, 90515), (4644, 82095), (5031, 75780), (5052, 75465), (5265, 72412), (5473, 69660), (5590, 68202), (5805, 65676), (6315, 60372), (6708, 56835), (6966, 54730), (7020, 54309), (7578, 50310), (7740, 49257), (8385, 45468), (8420, 45279), (10062, 37890), (10530, 36206), (10946, 34830), (11180, 34101), (11367, 33540), (11610, 32838), (12630, 30186), (13932, 27365), (15093, 25260), (15156, 25155), (16419, 23220), (16770, 22734), (17415, 21892), (18103, 21060), (18945, 20124)]