199913040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{277657}}^1$

素因数の和:277676

約数の個数: 60

約数和(自身を含む): 671377044

約数和(自身を除く): 471464004

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 277657, 555314, 832971, 1110628, 1388285, 1665942, 2221256, 2498913, 2776570, 3331884, 4164855, 4442512, 4997826, 5553140, 6663768, 8329710, 9995652, 11106280, 12494565, 13327536, 16659420, 19991304, 22212560, 24989130, 33318840, 39982608, 49978260, 66637680, 99956520, 199913040]

約数ペア:

[(1, 199913040), (2, 99956520), (3, 66637680), (4, 49978260), (5, 39982608), (6, 33318840), (8, 24989130), (9, 22212560), (10, 19991304), (12, 16659420), (15, 13327536), (16, 12494565), (18, 11106280), (20, 9995652), (24, 8329710), (30, 6663768), (36, 5553140), (40, 4997826), (45, 4442512), (48, 4164855), (60, 3331884), (72, 2776570), (80, 2498913), (90, 2221256), (120, 1665942), (144, 1388285), (180, 1110628), (240, 832971), (360, 555314), (720, 277657)]