1538820720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{712417}}^1$

素因数の和:712439

約数の個数: 80

約数和(自身を含む): 5300389920

約数和(自身を除く): 3761569200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 712417, 1424834, 2137251, 2849668, 3562085, 4274502, 5699336, 6411753, 7124170, 8549004, 10686255, 11398672, 12823506, 14248340, 17098008, 19235259, 21372510, 25647012, 28496680, 32058765, 34196016, 38470518, 42745020, 51294024, 56993360, 64117530, 76941036, 85490040, 96176295, 102588048, 128235060, 153882072, 170980080, 192352590, 256470120, 307764144, 384705180, 512940240, 769410360, 1538820720]

約数ペア:

[(1, 1538820720), (2, 769410360), (3, 512940240), (4, 384705180), (5, 307764144), (6, 256470120), (8, 192352590), (9, 170980080), (10, 153882072), (12, 128235060), (15, 102588048), (16, 96176295), (18, 85490040), (20, 76941036), (24, 64117530), (27, 56993360), (30, 51294024), (36, 42745020), (40, 38470518), (45, 34196016), (48, 32058765), (54, 28496680), (60, 25647012), (72, 21372510), (80, 19235259), (90, 17098008), (108, 14248340), (120, 12823506), (135, 11398672), (144, 10686255), (180, 8549004), (216, 7124170), (240, 6411753), (270, 5699336), (360, 4274502), (432, 3562085), (540, 2849668), (720, 2137251), (1080, 1424834), (2160, 712417)]