321757072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 784235520

約数和(自身を除く): 462478448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 89, 91, 104, 112, 169, 178, 182, 191, 208, 338, 356, 364, 382, 623, 676, 712, 728, 764, 1157, 1183, 1246, 1337, 1352, 1424, 1456, 1528, 2314, 2366, 2483, 2492, 2674, 2704, 3056, 4628, 4732, 4966, 4984, 5348, 8099, 9256, 9464, 9932, 9968, 10696, 15041, 16198, 16999, 17381, 18512, 18928, 19864, 21392, 30082, 32279, 32396, 33998, 34762, 39728, 60164, 64558, 64792, 67996, 69524, 105287, 118993, 120328, 129116, 129584, 135992, 139048, 210574, 220987, 225953, 237986, 240656, 258232, 271984, 278096, 421148, 441974, 451906, 475972, 516464, 842296, 883948, 903812, 951944, 1546909, 1684592, 1767896, 1807624, 1903888, 2872831, 3093818, 3535792, 3615248, 5745662, 6187636, 11491324, 12375272, 20109817, 22982648, 24750544, 40219634, 45965296, 80439268, 160878536, 321757072]

約数ペア:

[(1, 321757072), (2, 160878536), (4, 80439268), (7, 45965296), (8, 40219634), (13, 24750544), (14, 22982648), (16, 20109817), (26, 12375272), (28, 11491324), (52, 6187636), (56, 5745662), (89, 3615248), (91, 3535792), (104, 3093818), (112, 2872831), (169, 1903888), (178, 1807624), (182, 1767896), (191, 1684592), (208, 1546909), (338, 951944), (356, 903812), (364, 883948), (382, 842296), (623, 516464), (676, 475972), (712, 451906), (728, 441974), (764, 421148), (1157, 278096), (1183, 271984), (1246, 258232), (1337, 240656), (1352, 237986), (1424, 225953), (1456, 220987), (1528, 210574), (2314, 139048), (2366, 135992), (2483, 129584), (2492, 129116), (2674, 120328), (2704, 118993), (3056, 105287), (4628, 69524), (4732, 67996), (4966, 64792), (4984, 64558), (5348, 60164), (8099, 39728), (9256, 34762), (9464, 33998), (9932, 32396), (9968, 32279), (10696, 30082), (15041, 21392), (16198, 19864), (16999, 18928), (17381, 18512)]