287855360

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17299}}^1$

素因数の和:17333

約数の個数: 72

約数和(自身を含む): 742585200

約数和(自身を除く): 454729840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 17299, 34598, 69196, 86495, 138392, 172990, 224887, 276784, 345980, 449774, 553568, 691960, 899548, 1107136, 1124435, 1383920, 1799096, 2214272, 2248870, 2767840, 3598192, 4428544, 4497740, 5535680, 7196384, 8995480, 11071360, 14392768, 17990960, 22142720, 28785536, 35981920, 57571072, 71963840, 143927680, 287855360]

約数ペア:

[(1, 287855360), (2, 143927680), (4, 71963840), (5, 57571072), (8, 35981920), (10, 28785536), (13, 22142720), (16, 17990960), (20, 14392768), (26, 11071360), (32, 8995480), (40, 7196384), (52, 5535680), (64, 4497740), (65, 4428544), (80, 3598192), (104, 2767840), (128, 2248870), (130, 2214272), (160, 1799096), (208, 1383920), (256, 1124435), (260, 1107136), (320, 899548), (416, 691960), (520, 553568), (640, 449774), (832, 345980), (1040, 276784), (1280, 224887), (1664, 172990), (2080, 138392), (3328, 86495), (4160, 69196), (8320, 34598), (16640, 17299)]