81801012420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{210491}}^1$

素因数の和:210650

約数の個数: 144

約数和(自身を含む): 264795568128

約数和(自身を除く): 182994555708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 127, 153, 170, 180, 204, 254, 255, 306, 340, 381, 508, 510, 612, 635, 762, 765, 1020, 1143, 1270, 1524, 1530, 1905, 2159, 2286, 2540, 3060, 3810, 4318, 4572, 5715, 6477, 7620, 8636, 10795, 11430, 12954, 19431, 21590, 22860, 25908, 32385, 38862, 43180, 64770, 77724, 97155, 129540, 194310, 210491, 388620, 420982, 631473, 841964, 1052455, 1262946, 1894419, 2104910, 2525892, 3157365, 3578347, 3788838, 4209820, 6314730, 7156694, 7577676, 9472095, 10735041, 12629460, 14313388, 17891735, 18944190, 21470082, 26732357, 32205123, 35783470, 37888380, 42940164, 53464714, 53675205, 64410246, 71566940, 80197071, 106929428, 107350410, 128820492, 133661785, 160394142, 161025615, 214700820, 240591213, 267323570, 320788284, 322051230, 400985355, 454450069, 481182426, 534647140, 644102460, 801970710, 908900138, 962364852, 1202956065, 1363350207, 1603941420, 1817800276, 2272250345, 2405912130, 2726700414, 4090050621, 4544500690, 4811824260, 5453400828, 6816751035, 8180101242, 9089001380, 13633502070, 16360202484, 20450253105, 27267004140, 40900506210, 81801012420]

約数ペア:

[(1, 81801012420), (2, 40900506210), (3, 27267004140), (4, 20450253105), (5, 16360202484), (6, 13633502070), (9, 9089001380), (10, 8180101242), (12, 6816751035), (15, 5453400828), (17, 4811824260), (18, 4544500690), (20, 4090050621), (30, 2726700414), (34, 2405912130), (36, 2272250345), (45, 1817800276), (51, 1603941420), (60, 1363350207), (68, 1202956065), (85, 962364852), (90, 908900138), (102, 801970710), (127, 644102460), (153, 534647140), (170, 481182426), (180, 454450069), (204, 400985355), (254, 322051230), (255, 320788284), (306, 267323570), (340, 240591213), (381, 214700820), (508, 161025615), (510, 160394142), (612, 133661785), (635, 128820492), (762, 107350410), (765, 106929428), (1020, 80197071), (1143, 71566940), (1270, 64410246), (1524, 53675205), (1530, 53464714), (1905, 42940164), (2159, 37888380), (2286, 35783470), (2540, 32205123), (3060, 26732357), (3810, 21470082), (4318, 18944190), (4572, 17891735), (5715, 14313388), (6477, 12629460), (7620, 10735041), (8636, 9472095), (10795, 7577676), (11430, 7156694), (12954, 6314730), (19431, 4209820), (21590, 3788838), (22860, 3578347), (25908, 3157365), (32385, 2525892), (38862, 2104910), (43180, 1894419), (64770, 1262946), (77724, 1052455), (97155, 841964), (129540, 631473), (194310, 420982), (210491, 388620)]