31680558

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:348

約数の個数: 120

約数和(自身を含む): 89219592

約数和(自身を除く): 57539034

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 81, 91, 98, 117, 126, 147, 162, 182, 189, 234, 273, 294, 307, 351, 378, 441, 546, 567, 614, 637, 702, 819, 882, 921, 1053, 1134, 1274, 1323, 1638, 1842, 1911, 2106, 2149, 2457, 2646, 2763, 3822, 3969, 3991, 4298, 4914, 5526, 5733, 6447, 7371, 7938, 7982, 8289, 11466, 11973, 12894, 14742, 15043, 16578, 17199, 19341, 23946, 24867, 27937, 30086, 34398, 35919, 38682, 45129, 49734, 51597, 55874, 58023, 71838, 83811, 90258, 103194, 107757, 116046, 135387, 167622, 174069, 195559, 215514, 251433, 270774, 323271, 348138, 391118, 406161, 502866, 586677, 646542, 754299, 812322, 1173354, 1218483, 1508598, 1760031, 2262897, 2436966, 3520062, 4525794, 5280093, 10560186, 15840279, 31680558]

約数ペア:

[(1, 31680558), (2, 15840279), (3, 10560186), (6, 5280093), (7, 4525794), (9, 3520062), (13, 2436966), (14, 2262897), (18, 1760031), (21, 1508598), (26, 1218483), (27, 1173354), (39, 812322), (42, 754299), (49, 646542), (54, 586677), (63, 502866), (78, 406161), (81, 391118), (91, 348138), (98, 323271), (117, 270774), (126, 251433), (147, 215514), (162, 195559), (182, 174069), (189, 167622), (234, 135387), (273, 116046), (294, 107757), (307, 103194), (351, 90258), (378, 83811), (441, 71838), (546, 58023), (567, 55874), (614, 51597), (637, 49734), (702, 45129), (819, 38682), (882, 35919), (921, 34398), (1053, 30086), (1134, 27937), (1274, 24867), (1323, 23946), (1638, 19341), (1842, 17199), (1911, 16578), (2106, 15043), (2149, 14742), (2457, 12894), (2646, 11973), (2763, 11466), (3822, 8289), (3969, 7982), (3991, 7938), (4298, 7371), (4914, 6447), (5526, 5733)]