81373980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 234823680

約数和(自身を除く): 153449700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 127, 177, 181, 236, 254, 295, 354, 362, 381, 508, 543, 590, 635, 708, 724, 762, 885, 905, 1086, 1180, 1270, 1524, 1770, 1810, 1905, 2172, 2540, 2715, 3540, 3620, 3810, 5430, 7493, 7620, 10679, 10860, 14986, 21358, 22479, 22987, 29972, 32037, 37465, 42716, 44958, 45974, 53395, 64074, 68961, 74930, 89916, 91948, 106790, 112395, 114935, 128148, 137922, 149860, 160185, 213580, 224790, 229870, 275844, 320370, 344805, 449580, 459740, 640740, 689610, 1356233, 1379220, 2712466, 4068699, 5424932, 6781165, 8137398, 13562330, 16274796, 20343495, 27124660, 40686990, 81373980]

約数ペア:

[(1, 81373980), (2, 40686990), (3, 27124660), (4, 20343495), (5, 16274796), (6, 13562330), (10, 8137398), (12, 6781165), (15, 5424932), (20, 4068699), (30, 2712466), (59, 1379220), (60, 1356233), (118, 689610), (127, 640740), (177, 459740), (181, 449580), (236, 344805), (254, 320370), (295, 275844), (354, 229870), (362, 224790), (381, 213580), (508, 160185), (543, 149860), (590, 137922), (635, 128148), (708, 114935), (724, 112395), (762, 106790), (885, 91948), (905, 89916), (1086, 74930), (1180, 68961), (1270, 64074), (1524, 53395), (1770, 45974), (1810, 44958), (1905, 42716), (2172, 37465), (2540, 32037), (2715, 29972), (3540, 22987), (3620, 22479), (3810, 21358), (5430, 14986), (7493, 10860), (7620, 10679)]