215422380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{62989}}^1$

素因数の和:63023

約数の個数: 72

約数和(自身を含む): 687850800

約数和(自身を除く): 472428420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 62989, 125978, 188967, 251956, 314945, 377934, 566901, 629890, 755868, 944835, 1133802, 1196791, 1259780, 1889670, 2267604, 2393582, 2834505, 3590373, 3779340, 4787164, 5669010, 5983955, 7180746, 10771119, 11338020, 11967910, 14361492, 17951865, 21542238, 23935820, 35903730, 43084476, 53855595, 71807460, 107711190, 215422380]

約数ペア:

[(1, 215422380), (2, 107711190), (3, 71807460), (4, 53855595), (5, 43084476), (6, 35903730), (9, 23935820), (10, 21542238), (12, 17951865), (15, 14361492), (18, 11967910), (19, 11338020), (20, 10771119), (30, 7180746), (36, 5983955), (38, 5669010), (45, 4787164), (57, 3779340), (60, 3590373), (76, 2834505), (90, 2393582), (95, 2267604), (114, 1889670), (171, 1259780), (180, 1196791), (190, 1133802), (228, 944835), (285, 755868), (342, 629890), (380, 566901), (570, 377934), (684, 314945), (855, 251956), (1140, 188967), (1710, 125978), (3420, 62989)]