199455840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{138511}}^1$

素因数の和:138532

約数の個数: 72

約数和(自身を含む): 680647968

約数和(自身を除く): 481192128

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, 138511, 277022, 415533, 554044, 692555, 831066, 1108088, 1246599, 1385110, 1662132, 2077665, 2216176, 2493198, 2770220, 3324264, 4155330, 4432352, 4986396, 5540440, 6232995, 6648528, 8310660, 9972792, 11080880, 12465990, 13297056, 16621320, 19945584, 22161760, 24931980, 33242640, 39891168, 49863960, 66485280, 99727920, 199455840]

約数ペア:

[(1, 199455840), (2, 99727920), (3, 66485280), (4, 49863960), (5, 39891168), (6, 33242640), (8, 24931980), (9, 22161760), (10, 19945584), (12, 16621320), (15, 13297056), (16, 12465990), (18, 11080880), (20, 9972792), (24, 8310660), (30, 6648528), (32, 6232995), (36, 5540440), (40, 4986396), (45, 4432352), (48, 4155330), (60, 3324264), (72, 2770220), (80, 2493198), (90, 2216176), (96, 2077665), (120, 1662132), (144, 1385110), (160, 1246599), (180, 1108088), (240, 831066), (288, 692555), (360, 554044), (480, 415533), (720, 277022), (1440, 138511)]