72855540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:882

約数の個数: 144

約数和(自身を含む): 242358480

約数和(自身を除く): 169502940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 821, 870, 986, 1020, 1044, 1305, 1479, 1530, 1642, 1740, 1972, 2463, 2465, 2610, 2958, 3060, 3284, 4105, 4437, 4926, 4930, 5220, 5916, 7389, 7395, 8210, 8874, 9852, 9860, 12315, 13957, 14778, 14790, 16420, 17748, 22185, 23809, 24630, 27914, 29556, 29580, 36945, 41871, 44370, 47618, 49260, 55828, 69785, 71427, 73890, 83742, 88740, 95236, 119045, 125613, 139570, 142854, 147780, 167484, 209355, 214281, 238090, 251226, 279140, 285708, 357135, 404753, 418710, 428562, 476180, 502452, 628065, 714270, 809506, 837420, 857124, 1071405, 1214259, 1256130, 1428540, 1619012, 2023765, 2142810, 2428518, 2512260, 3642777, 4047530, 4285620, 4857036, 6071295, 7285554, 8095060, 12142590, 14571108, 18213885, 24285180, 36427770, 72855540]

約数ペア:

[(1, 72855540), (2, 36427770), (3, 24285180), (4, 18213885), (5, 14571108), (6, 12142590), (9, 8095060), (10, 7285554), (12, 6071295), (15, 4857036), (17, 4285620), (18, 4047530), (20, 3642777), (29, 2512260), (30, 2428518), (34, 2142810), (36, 2023765), (45, 1619012), (51, 1428540), (58, 1256130), (60, 1214259), (68, 1071405), (85, 857124), (87, 837420), (90, 809506), (102, 714270), (116, 628065), (145, 502452), (153, 476180), (170, 428562), (174, 418710), (180, 404753), (204, 357135), (255, 285708), (261, 279140), (290, 251226), (306, 238090), (340, 214281), (348, 209355), (435, 167484), (493, 147780), (510, 142854), (522, 139570), (580, 125613), (612, 119045), (765, 95236), (821, 88740), (870, 83742), (986, 73890), (1020, 71427), (1044, 69785), (1305, 55828), (1479, 49260), (1530, 47618), (1642, 44370), (1740, 41871), (1972, 36945), (2463, 29580), (2465, 29556), (2610, 27914), (2958, 24630), (3060, 23809), (3284, 22185), (4105, 17748), (4437, 16420), (4926, 14790), (4930, 14778), (5220, 13957), (5916, 12315), (7389, 9860), (7395, 9852), (8210, 8874)]