664447920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{120371}}^1$

素因数の和:120410

約数の個数: 80

約数和(自身を含む): 2149362432

約数和(自身を除く): 1484914512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 120371, 240742, 361113, 481484, 601855, 722226, 962968, 1203710, 1444452, 1805565, 1925936, 2407420, 2768533, 2888904, 3611130, 4814840, 5537066, 5777808, 7222260, 8305599, 9629680, 11074132, 13842665, 14444520, 16611198, 22148264, 27685330, 28889040, 33222396, 41527995, 44296528, 55370660, 66444792, 83055990, 110741320, 132889584, 166111980, 221482640, 332223960, 664447920]

約数ペア:

[(1, 664447920), (2, 332223960), (3, 221482640), (4, 166111980), (5, 132889584), (6, 110741320), (8, 83055990), (10, 66444792), (12, 55370660), (15, 44296528), (16, 41527995), (20, 33222396), (23, 28889040), (24, 27685330), (30, 22148264), (40, 16611198), (46, 14444520), (48, 13842665), (60, 11074132), (69, 9629680), (80, 8305599), (92, 7222260), (115, 5777808), (120, 5537066), (138, 4814840), (184, 3611130), (230, 2888904), (240, 2768533), (276, 2407420), (345, 1925936), (368, 1805565), (460, 1444452), (552, 1203710), (690, 962968), (920, 722226), (1104, 601855), (1380, 481484), (1840, 361113), (2760, 240742), (5520, 120371)]