178915680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{124247}}^1$

素因数の和:124268

約数の個数: 72

約数和(自身を含む): 610554672

約数和(自身を除く): 431638992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 124247, 248494, 372741, 496988, 621235, 745482, 993976, 1118223, 1242470, 1490964, 1863705, 1987952, 2236446, 2484940, 2981928, 3727410, 3975904, 4472892, 4969880, 5591115, 5963856, 7454820, 8945784, 9939760, 11182230, 11927712, 14909640, 17891568, 19879520, 22364460, 29819280, 35783136, 44728920, 59638560, 89457840, 178915680]

約数ペア:

[(1, 178915680), (2, 89457840), (3, 59638560), (4, 44728920), (5, 35783136), (6, 29819280), (8, 22364460), (9, 19879520), (10, 17891568), (12, 14909640), (15, 11927712), (16, 11182230), (18, 9939760), (20, 8945784), (24, 7454820), (30, 5963856), (32, 5591115), (36, 4969880), (40, 4472892), (45, 3975904), (48, 3727410), (60, 2981928), (72, 2484940), (80, 2236446), (90, 1987952), (96, 1863705), (120, 1490964), (144, 1242470), (160, 1118223), (180, 993976), (240, 745482), (288, 621235), (360, 496988), (480, 372741), (720, 248494), (1440, 124247)]