81402384

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 160

約数和(自身を含む): 259983360

約数和(自身を除く): 178580976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 41, 42, 48, 56, 57, 76, 82, 84, 112, 114, 123, 133, 152, 164, 168, 228, 246, 266, 287, 304, 311, 328, 336, 399, 456, 492, 532, 574, 622, 656, 779, 798, 861, 912, 933, 984, 1064, 1148, 1244, 1558, 1596, 1722, 1866, 1968, 2128, 2177, 2296, 2337, 2488, 3116, 3192, 3444, 3732, 4354, 4592, 4674, 4976, 5453, 5909, 6232, 6384, 6531, 6888, 7464, 8708, 9348, 10906, 11818, 12464, 12751, 13062, 13776, 14928, 16359, 17416, 17727, 18696, 21812, 23636, 25502, 26124, 32718, 34832, 35454, 37392, 38253, 41363, 43624, 47272, 51004, 52248, 65436, 70908, 76506, 82726, 87248, 89257, 94544, 102008, 104496, 124089, 130872, 141816, 153012, 165452, 178514, 204016, 242269, 248178, 261744, 267771, 283632, 306024, 330904, 357028, 484538, 496356, 535542, 612048, 661808, 714056, 726807, 969076, 992712, 1071084, 1428112, 1453614, 1695883, 1938152, 1985424, 2142168, 2907228, 3391766, 3876304, 4284336, 5087649, 5814456, 6783532, 10175298, 11628912, 13567064, 20350596, 27134128, 40701192, 81402384]

約数ペア:

[(1, 81402384), (2, 40701192), (3, 27134128), (4, 20350596), (6, 13567064), (7, 11628912), (8, 10175298), (12, 6783532), (14, 5814456), (16, 5087649), (19, 4284336), (21, 3876304), (24, 3391766), (28, 2907228), (38, 2142168), (41, 1985424), (42, 1938152), (48, 1695883), (56, 1453614), (57, 1428112), (76, 1071084), (82, 992712), (84, 969076), (112, 726807), (114, 714056), (123, 661808), (133, 612048), (152, 535542), (164, 496356), (168, 484538), (228, 357028), (246, 330904), (266, 306024), (287, 283632), (304, 267771), (311, 261744), (328, 248178), (336, 242269), (399, 204016), (456, 178514), (492, 165452), (532, 153012), (574, 141816), (622, 130872), (656, 124089), (779, 104496), (798, 102008), (861, 94544), (912, 89257), (933, 87248), (984, 82726), (1064, 76506), (1148, 70908), (1244, 65436), (1558, 52248), (1596, 51004), (1722, 47272), (1866, 43624), (1968, 41363), (2128, 38253), (2177, 37392), (2296, 35454), (2337, 34832), (2488, 32718), (3116, 26124), (3192, 25502), (3444, 23636), (3732, 21812), (4354, 18696), (4592, 17727), (4674, 17416), (4976, 16359), (5453, 14928), (5909, 13776), (6232, 13062), (6384, 12751), (6531, 12464), (6888, 11818), (7464, 10906), (8708, 9348)]